Tag: seti

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PULSAR SHOCKER—SCIENCE’S BIGGEST BLIND SPOT!

Why does Six-Sigma not apply to pulsar theories?

Pulsars have puzzled scientists for over 50 years, and many mysteries remain. Some wonder if these cosmic signals could actually be alien beacons rather than natural objects.

You’ve heard of neutron stars and their eerily precise lighthouse flashes of radio waves. But did you know the world’s leading experts openly admit they still don’t know how—or even why—pulsars pulse? Despite more than five decades of dedicated research since their discovery, fundamental aspects of the mechanisms that govern pulsars remain incompletely understood.

WHAT THEY WON’T TELL YOU

• 50 Years of “Mystery Science”
– Pulsars were discovered in 1967 by Jocelyn Bell Burnell.
– The first pulsars were named “LGM” for “Little Green Men”,
because they resembled deliberate intelligent signals from aliens.
– The discovery was kept a secret for two years, until a “natural” explanation could be found.
– Yet top reviews concede: “No consensus on how pulsars make coherent radio beams.”
– Even their heavyweight magnetosphere models are “pure speculation,” say the academics.

Jocelyn Bell Burnell discovered Pulsars in 1967
Jocelyn Bell Burnell discovered Pulsars in 1967

• Energy “Conversion” Conundrum
– How does a spinning neutron star turn its spin into light and X-rays?
– Experts shrug: “We don’t know where particles get accelerated… or how.”

• Interior Secrets Locked Tight
– The neutron-star Equation of State? A “well-kept secret,” even on Wikipedia.
– We can’t recreate these ultra-dense conditions on Earth—so we’re flying blind.

THE BIG QUESTION SETI WON’T ASK

If we’re this stumped by “natural” objects, could some pulsars actually be artificial beacons—designed by a super-advanced Kardashev Type III civilization? Imagine harnessing a stars energy to craft perfect, long-range lighthouses! Isn’t this a concept that the Kardashev Scale proposes?

Yet SETI protocols dismiss the idea outright:
• They focus on faint, homely radio signals—never megastructures beaming across the Milky Way.
• They’ve never seriously tested whether pulsar “noise” could be cosmic Morse code.

WHAT IF SOME PULSARS ARE ETI LIGHTHOUSES?

– Perfect timing, colossal power output, pinpoint beams… sounds like engineered tech!
– A K-III society could be “pinging” planets for millennia, and we’ve assumed it’s just physics playing tricks.

CALLING ALL STAR HUNTERS

It’s time to break the dogma. We need to:
1. Re-examine pulsar data for hidden patterns or intentional modulation.
2. Expand SETI’s search to include high-power, pulsed signals.
3. Admit our ignorance—and embrace wild ideas to solve these cosmic riddles.

Until we dare to ask whether pulsars are aliens’ calling cards, we’ll remain stuck in the dark—waiting for E.T. to ring a bell we refused to check. Isn’t it time someone blew the whistle on astrophysics’ biggest oversight?

Scientists on the Limits of Pulsar Knowledge

Beyond the specific unsolved problems within subfields of pulsar research, there are numerous instances where scientists make overarching statements explicitly acknowledging the incomplete state of current knowledge regarding these enigmatic objects.

Several key publications and resources directly state the limitations in our understanding of pulsars:

Beskin, Chernov, Gwinn, & Tchekhovskoy (2015):

In their review “Radio Pulsars,” these authors plainly state, “Almost 50 years after radio pulsars were discovered in 1967, our understanding of these objects remains incomplete.” This is a clear and high-level admission of the persistent gaps in knowledge from experts summarizing the field.

Hankins, Rankin, & Eilek (2009):

The white paper “What is the Physics of Pulsar Radio Emission?” opens with the frank assessment: “Despite much careful theoretical and observational effort, the details of how these rapidly rotating neutron stars radiate are still a mystery.” While focused on radiation, this statement implies broader difficulties in understanding the core processes.

Contopoulos, Kalapotharakos, & Kazanas (2014):

In “A new standard pulsar magnetosphere,” the authors remark, “Though pulsars were discovered almost fifty years ago, they still remain mysterious stellar objects.” This general statement encapsulates the enduring enigmatic nature of pulsars.

NASA on PSR B0943+10:

When discussing the “puzzling pulsar” PSR B0943+10, a NASA resource notes that “astronomers… aren’t sure how the particles get stripped from the surface of the star and accelerated to high energies”. The observation of its inverse radio/X-ray pulsing “reignited debate,” indicating that any prior consensus on such emission behavior was either absent or fragile and that existing models were insufficient.

“Pulsar Electrodynamics: an unsolved problem”:

The very title of a research area or a specific paper can be telling. While there is a paper on this topic, the broader identification of “Pulsar Electrodynamics” as “an unsolved problem” is a direct admission of ongoing challenges. The source itself discusses unresolved issues like “charge starvation” and “current starvation” in electrodynamic models, implying these are areas not fully settled.

The Unknown Equation of State (EoS):

A “Well-Kept Secret”
A critical unknown is the Equation of State (EoS) of matter at these supranuclear densities. The EoS describes the relationship between pressure, density, and temperature, and it dictates the macroscopic properties of the neutron star, such as its radius for a given mass and its maximum possible mass.

Neutron star equation of state, https://www.sciencedirect.com/science/article/abs/pii/S1387647310000564
Neutron star equation of state, https://www.sciencedirect.com/science/article/abs/pii/S1387647310000564

Multiple sources unequivocally state the current lack of knowledge. Wikipedia’s entry on Neutron Stars, often reflecting expert consensus, asserts: “The equation of state of neutron stars is not currently known.” The entry elaborates that this uncertainty arises because the extreme densities are impossible to replicate in terrestrial laboratories, and theoretical modeling must incorporate General Relativity as well as complex aspects of Quantum Chromodynamics (QCD), potential superconductivity, and superfluidity of nuclear matter. Understanding the EoS is described as a “major unsolved problem in fundamental physics.”

This sentiment is strongly echoed in the scientific literature. A 2017 review by Chamel et al., “The physics of the neutron star crust,” notes that while the physics of the outer crust is relatively better understood, “the structure of the matter in neutron star cores and in particular its equation of state remain the well-kept secret of neutron stars”. The inability to definitively determine the EoS means that fundamental parameters, such as the precise upper mass limit for neutron stars before they collapse into black holes (the Tolman-Oppenheimer-Volkoff limit), remain uncertain, with theoretical estimates varying.

SIX-SIGMA:

Scientific Theories: When a theory encounters contradictory evidence or fails to explain a new observation, it is not a “defect” in the scientific process. Instead, it signals that the theory may be incomplete, incorrect under certain conditions, or in need of refinement. Such discrepancies are essential for scientific progress, often leading to new hypotheses or even paradigm shifts. This mindset may be exactly what’s needed to advance our understanding of pulsars.

References:

Are Radio Pulsars Extraterrestrial Communication Beacons?
https://www.researchgate.net/publication/264785777_Are_Radio_Pulsars_Extraterrestrial_Communication_Beacons

Pulsar Positioning System: A quest for evidence of extraterrestrial engineering
https://arxiv.org/abs/1704.03316

A 4–8 GHz Galactic Center Search for Periodic Technosignatures
https://iopscience.iop.org/article/10.3847/1538-3881/acccf0

‘Unlike anything we have seen before’: Astronomers discover mysterious object firing strange signals at Earth every 44 minutes, May 28, 2025
https://www.livescience.com/space/unlike-anything-we-have-seen-before-astronomers-discover-mysterious-object-firing-strange-signals-at-earth-every-44-minutes

Chameleon pulsar takes astronomers by surprise, 19 February 2013
https://observatoiredeparis.psl.eu/chameleon-pulsar-takes-astronomers-by-surprise.html

Black hole blazar changes direction and now points its jet towards Earth
An inexplicable change of course
https://ras.ac.uk/news-and-press/research-highlights/galaxy-changes-classification-jet-changes-direction

(FRINGE) Decoding the Message of the Pulsars: Intelligent Communication from the Galaxy
https://www.amazon.com/Decoding-Message-Pulsars-Intelligent-Communication/dp/1591430623

Beskin, V. S. (2018). Radio pulsars. Physics-Uspekhi, 61(7), 655–686.

Hankins, T. H., Rankin, J. M., & Eilek, J. A. (2009). What is the Physics of Pulsar Radio Emission? Astro2010: The Astronomy and Astrophysics Decadal Survey, Science White Papers, no. 120.

Contopoulos, I., Kalapotharakos, C., & Kazanas, D. (2014). A new standard pulsar magnetosphere. Monthly Notices of the Royal Astronomical Society, 443(1), L45–L49.

NASA. (2013, October 23). NASA’s Chandra and XMM-Newton Find Puzzling Pulsar. NASA Missions.

Petri, J. (2019). Pulsar electrodynamics: an unsolved problem. Journal of Plasma Physics, 85(5), 15850501.

Chamel, N., Fantina, A. F., & Zdunik, J. L. (2017). The physics of the neutron star crust. In The Physics and Astrophysics of Neutron Stars (pp. 57-95). Springer, Cham.

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Just A Friendly Hello: Contact Project Proposes a Continuous, Worldwide Omnidirectional Beacon to Engage Nearby Extraterrestrial Visitors

ContactProject.org: Is humanity ready for contact with extraterrestrial intelligence?

ETI is already near Earth, either in the form of drones, UAPs, or UFOs—whatever you prefer to call them. That is the premise of the Contact Project. The project proposal is therefore simple: instead of broadcasting a pinpointed message to a potential civilization far, far away, we can use simple, inexpensive, and widely available omnidirectional antennas to invite communication from objects or phenomena in Earth orbit. Moreover, this effort should not be limited to a short period of time; it should be sustained and undertaken with the broad agreement of people on every continent.

The message in the Contact Project might resemble the following:

“A Beacon in the Galaxy: Updated Arecibo Message for Potential FAST and SETI Projects” https://arxiv.org/abs/2203.04288, by Jonathan H. Jiang, Hanjie Li, Matthew Chong, Qitian Jin, Philip E. Rosen, Xiaoming Jiang, Kristen A. Fahy, Stuart F. Taylor, Zhihui Kong, Jamilah Hah, Zong-Hong Zhu.

A potential ETI is, of course, capable of decoding any human transmission we are already broadcasting, but the point of the Contact Project is to address ETI directly, acknowledge their presence, and actively seek contact.

Demonstrating such openness would prove humankind’s readiness for contact. By doing so, we would not be giving away anything new—such as our position—beyond what we already broadcast. It would simply be a friendly hello, as envisioned by the Contact Project organization.

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Flaws in the Dark Forest Game Theory: A Closer Look

“I don’t know why you say goodbye, I say hello.”
The Beatles ‧ 1967

Why Liu Cixin’s Chilling Vision May Exaggerate the Dangers – ​in Space and on Earth

Dark Forest Hypothesis

1. A Tale of Two Dark Forests

Liu Cixin’s award-winning trilogy Remembrance of Earth’s Past (commonly called The Three-Body Problem series) popularized the Dark Forest Hypothesis: in a universe where every civilization fears annihilation and resources appear scarce, the safest strategy is absolute silence – or a pre-emptive strike on anything that betrays its position.

Initial Dark Forest Assumptions (click for full PDF here)

Yet, just as children often overestimate the terrors of a literal dark forest, adults may be overestimating the hazards of its cosmic counterpart. Both fears rest on questionable assumptions about scarcity, detectability, and universal hostility.

2. How Dark Is the Cosmic Forest – Really?

2.1 Abundant Resources
• Asteroid mining makes most “resource wars” unnecessary.
– Example: NASA’s current Psyche mission targets a metal-rich asteroid whose contents have often been cited – though the estimate is highly speculative – as being worth about $100,000 quadrillion.
– Lower gravity and higher ore purity mean it is far easier to extract metals in space than to invade a habitable planet.

• Science-fiction authors anticipated this logic well before the 1970s, from Garrett P. Serviss (1898) to Isaac Asimov (1953) and Poul Anderson (1963-65).

2.2 Alternative Solutions to the Fermi Paradox

The silence we observe could stem from:
• the brevity of civilizations’ effective ‘radio window‘ (50-70 years);
• the Sanctuary Hypothesis (ETI nurture developing planets without revealing themselves);
• crewed or uncrewed craft-based exploration rather than radio beacons (compare UAP/UFO debate). These sightings challenge the premise of universal silence.

ABC 7 NEWS, December 2024

2.3 Humanity Has Already Broadcast

Humankind has been broadcasting TV and radio signals since the 1930s. These signals can be received hundreds of light-years away. This may have triggered ETs curiosity.

Then, between 1945 and 1961, Earth detonated more than 2,000 nuclear devices. Each blast produced an electromagnetic pulse (EMP) strong enough to be detected light-years away.

If an advanced civilization had been listening to early broadcasts of the Olympics, for instance, they’d have been surprised to see Earth suddenly erupting in artificial, high-energy flashes at irregular intervals.

The most powerful explosion was ten billion times stronger than the Arecibo broadcast message and could have been received anywhere in the Milky Way, which may contain 300–500 million habitable planets.

In effect, we have already shouted our existence into the forest; worrying about a polite radio greeting now is like closing the barn door after the horse has bolted.

The Ostrich Problem: Silence Isn’t Safety

If ETIs detected our radio signature, broadcast or EMP, but hear no follow-up, they might assume:

  • We’re hiding (suspicious).
  • We’re unstable (dangerous).
  • We’re ignorant (vulnerable).

3. Game-Theory Revisions: Three Big “What-Ifs”

Here are some of the big “what ifs” that challenge the whole “hide or attack” idea:

3.1 Mutually Assured Destruction (MAD) on a cosmic scale
If retaliation is credible – and especially if the cost of failure is extinction – first strikes lose their appeal, exactly as they did with Cold War nuclear strategy. Think about our own history with nuclear weapons. The concept of Mutually Assured Destruction (MAD) is a huge deterrent. What if that applies on a cosmic scale too? Let’s say there’s a certain chance of a successful attack. And, crucially, if an attack fails, the attacking civilization faces a really nasty consequence – let’s call it the disaster of retaliation. We’re talking about something far worse than just wasting resources.

Here’s how that changes the math for choosing to “Attack”:

If one civilization tries to hit another:

There’s a certain chance it pulls it off. The attacker survives, though it still pays the cost of the attack, while the other civilization is wiped out.

But, there’s also a chance the attack completely flops. In that nightmare scenario, the attacker is the one facing the disaster of retaliation (or even total annihilation if the other civilization hits back hard), and the target is still around and really angry.

So, when you consider whether to attack, you have to weigh these probabilities. If the chance of a successful attack is low, or if the disaster of retaliation is utterly catastrophic (like in MAD), then the appeal of attacking first plummets. It might even make more sense to just stay hidden, which totally undermines the “attack first” logic.

Flaws in the Dark Forest game theory

3.2 The Impossibility of Hiding

Sufficiently advanced telescopes detect radio signatures and other technosignatures whether or not we transmit on purpose. Admittedly, humankind has only transmitted purposefully for only a bit over 67 hours in its entire history. But this doesn’t reduce over a century of radio and TV signals that are already out there. Within this 130 light-year bubble (260 light-years across) there exist between 700-1,140 habitable worlds. If stealth is futile, the strategic game reduces to “communicate or attack,” and communication becomes the cheaper, more mature, safer option.

The Dark Forest idea hinges on the ability to stay hidden. But what if detection is inevitable? Imagine super-advanced telescopes that can spot signs of life without anyone broadcasting a thing. In that case, the “Hide” strategy basically becomes the same as “Broadcast” – you’re going to be found either way. The whole benefit of trying to hide just disappears.

If being detected while hiding is as bad as outright annihilation, then:
– If both civilizations hide → annihilation.
– If one hides and one broadcasts → annihilation.
– If one hides and one attacks → annihilation.

This scenario pretty much pulls “Hide” off the table as a viable survival strategy. It forces civilizations into a choice between broadcasting or attacking, since there’s no real hiding place left.

3.3 Civilizational Diversity
Assuming every species is paranoid and violent ignores the probability distribution of motives. If even a modest fraction are cooperative, expected-value calculations tilt toward cautious outreach rather than universal suppression.

“Our ability to reach unity in diversity will be the beauty and the test of our civilization”, Mahatma Gandhi

Perhaps the biggest assumption of the Dark Forest is that every civilization out there is a paranoid, aggressive killer. But is that realistic? We can think about different “types” of players in our cosmic game. What if there’s a certain probability that a civilization is hostile, and also a probability that it’s cooperative?

Now, the overall benefit of broadcasting changes dramatically, depending on who you meet. It’s a blend of the risk of annihilation if you meet a hostile civilization, and the potential benefit of survival and cooperation if you meet a friendly one.

If the probability of encountering a cooperative civilization is high enough, and the benefits of cooperation are truly significant, then suddenly, broadcasting might actually be a better bet than attacking. It opens the door to the idea that some civilizations might actually try to say “hello” rather than “kaboom.”

So, while the Dark Forest is a chilling thought experiment, these added factors suggest the universe might be a bit more complex than just a cosmic shooting gallery.

4. Earth’s Own “Dark Forests”: Fear vs. Fact

U.S. National Parks – ​millions of annual visits into true wilderness – ​average roughly 0.11 deaths per 100,000 recreational visits. The leading causes are drownings (20.9%), car accidents (17.3%), medical events (12%), and suicides (12.4%), not wolf packs or bear maulings.

A global study of carnivore attacks from 1950 to 2019 documented 5,440 attacks, with about one in three being fatal. Likewise, tiger attacks in India average 34 deaths per year; direct wildlife fatalities in the United States hover around eight. Our imagination inflates the danger of forests much as it inflates the peril of first contact.

Star Trek: First Contact

In the Star Trek movie “First Contact,” the Dark Forest of the human heart (causing a nuclear Armageddon) proved much more dangerous than the meeting with the Vulcan emissary.

5. Why Would ETIs Attack Us?

Possible motives beyond resources:

  • First-strike paranoia (fear of future competition).
  • Ideological conflict (ethics, expansionism).
  • Scientific curiosity (studying emerging civilizations).

But if aliens wanted resources, they’d mine asteroids, not Earth. (Take that, Zecharia Sitchin – your ancient alien gold-mining slaves theory doesn’t hold up when space is full of purer, easier-to-extract metals.)

6. UAPs & the Pentagon’s Admission: Are They Already Here?

If Unidentified Anomalous Phenomena (UAPs) are extraterrestrial probes:

  • They’ve seen our nukes, satellites, and wars.
  • Silence may look like hostility.
  • A controlled message (math, music, science) could be safer than ambiguity.
The Signal
A Science Fiction Short Story: In a universe filled with mysteries, signaling UAPs could change everything.

7. Synthesis: From Paranoia to Policy

  • Accept the beacon we have already lit (Radio and TV bubble, nuclear tests) and
  • Send cautious, non-threatening signals (math, art, science).
  • Study apparent probes (UAPs/UFOs) with scientific rigor, but get out of the denial-loop.
  • Prepare a diplomatic framework – ​a “UN for exocivilizations” – ​before we need it.
  • Invest in asteroid-mining technology; abundance is the best antidote to resource anxiety.

The universe may contain dangers, but the data – ​from asteroid economics to wilderness safety statistics – ​suggests we routinely overrate them. Instead of cowering in silence, humanity should engage with the cosmos thoughtfully. We must do so armed with game-theoretic prudence, technological optimism, and a clear appreciation of how rarely the monsters in our dark forests turn out to be real. 

Stop Whispering, Start Strategizing!

The Dark Forest Game Theory Equations (PDF)

References:

National Park Service. (n.d.). Deaths in National Parks. U.S. National Park Service. Retrieved June 14, 2025, from https://www.nps.gov/aboutus/mortality-data.htm

Skylis, M. B. (2024, February 27). Data Reveal How People Die in National Parks. Backpacker. Retrieved June 14, 2025, from https://www.backpacker.com/survival/deaths-in-national-parks/

Handwerk, B. (2023, January 31). What 70 Years of Data Says About Where Predators Kill Humans. Smithsonian Magazine. Retrieved June 14, 2025, from https://www.smithsonianmag.com/science-nature/where-lions-and-tigers-and-wolves-attack-and-kill-humans-180981539

Conover, M. R. (2019). Numbers of Human Fatalities, Injuries, and Illnesses in the United States Due to Wildlife. Human–Wildlife Interactions, 13(2), 12. Retrieved June 14, 2025, from https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=1544&context=hwi

APPENDIX: THE THREE BODY PROBLEM in brief

tl;dr

Liu Cixin’s *Remembrance of Earth’s Past* trilogy, commonly known as “The Three-Body Problem” series, is a sweeping hard science fiction epic that explores humanity’s first contact with an alien civilization and the existential threats that follow.

1. The Three-Body Problem (三体):
humanity learns an invasion fleet will arrive in 450 years; physics itself is sabotaged by proton-sized “sophons.”

Initial Setup & The Cultural Revolution:
The story begins in China during the tumultuous Cultural Revolution, where astrophysicist Ye Wenjie witnesses the brutal death of her father. Disillusioned with humanity, she is later recruited to a secret military project called “Red Coast,” a deep-space listening station. There, she discovers a method to amplify radio signals using the sun and, in a moment of profound despair, broadcasts a message into space, essentially inviting alien intervention.

Present Day Mystery:
Decades later, in the early 21st century, a series of mysterious suicides among prominent scientists plagues the world. Detective Shi Qiang (Da Shi) investigates, collaborating with nanotechnologist Wang Miao. Wang becomes entangled with a mysterious online VR game called “Three Body,” which simulates a chaotic planet experiencing extreme climatic shifts due to the gravitational pull of three suns.

The Trisolarans Revealed:
Through the game and his investigation, Wang uncovers a vast conspiracy: the Earth-Trisolaris Organization (ETO), a secret society formed by humans who worship the Trisolarans and desire Earth’s destruction. The Trisolarans are the inhabitants of the chaotic “Three-Body” planet. Their civilization has been repeatedly destroyed by their unpredictable system, leading them to seek a new, stable home – Earth. They are on their way, but their fleet will take approximately 450 years to arrive.

Sophon Blockade:
To prevent humanity from developing technology capable of resisting their invasion, the Trisolarans deploy “sophons” – proton-sized supercomputers that unfold into higher dimensions, act as omnipresent spies, and subtly disrupt fundamental physics research on Earth, creating the illusion that science is failing. The first book ends with humanity aware of the impending invasion but hamstrung by the sophon blockade.

2. The Dark Forest (黑暗森林):
Luo Ji invents cosmic MAD – threatening to broadcast Trisolaris’s coordinates – and forces a temporary peace.

The Crisis Era and Wallfacers: With the Trisolaran invasion fleet on its way and sophons making all human communications transparent to the aliens, humanity enters the “Crisis Era.” To develop secret strategies, the United Nations designates four “Wallfacers” – individuals granted immense resources and autonomy to devise plans that remain entirely within their own minds, impenetrable by sophons.

Luo Ji and Cosmic Sociology:
Among the Wallfacers is the initially reluctant and cynical astrophysicist Luo Ji. Unlike the others, he doesn’t have a clear military or scientific background. He slowly develops the “Dark Forest Hypothesis” (based on insights from Ye Wenjie): the universe is a “dark forest” filled with advanced civilizations, each acting as a silent, paranoid hunter. Any civilization that reveals its location becomes a target for pre-emptive destruction, as there’s no way to guarantee another civilization’s intentions are benign, and rapid technological explosion makes any unknown a potential existential threat.

The Deterrence Era:
Luo Ji’s seemingly bizarre actions as a Wallfacer lead to his plan: he threatens to broadcast the coordinates of the Trisolaran home system to the entire galaxy, a suicidal act that would doom both Trisolaris and Earth (due to Earth’s proximity). This threat, known as “Dark Forest Deterrence,” forces the Trisolarans into an uneasy peace, as they realize Luo Ji can enact mutual annihilation. This ushers in the “Deterrence Era,” a fragile peace enforced by the constant threat of a “Swordholder” (Luo Ji) initiating the broadcast.

The Great Fleet Annihilation:
Humanity flourishes during this era, building powerful space fleets, believing they have achieved parity with the Trisolarans. However, when the first Trisolaran probe (“the Droplet”) finally arrives, it effortlessly annihilates Earth’s entire space armada, revealing the vast technological superiority of the Trisolarans and shattering humanity’s hubris.

3. Death’s End (死神永生):
deterrence fails, higher-dimensional weapons collapse the Solar System, and the protagonists ultimately sacrifice themselves so the universe can “bounce” and begin anew.

New Challenges and the Swordholder:
The Deterrence Era continues, but Luo Ji is aging, and a new “Swordholder” must be chosen. The burden falls upon Cheng Xin, a kind and compassionate aerospace engineer. Her appointment is a calculated move by the Trisolarans, who correctly predict her moral nature will prevent her from activating the deterrence in a crisis. When the Trisolarans test the deterrence by attacking Earth’s broadcast stations, Cheng Xin hesitates, allowing them to take control of Earth.

Humanity’s Flight and Cosmic Revelations:
A few human starships that had escaped the initial Droplet attack (including one that had gone rogue much earlier) manage to broadcast the Trisolaran coordinates, leading to the destruction of the Trisolaran home system by a higher-dimensional alien weapon. Earth, however, is then also targeted by a “Dark Forest” attack.

Dimensional Collapse and Universe’s End:
Humanity faces escalating cosmic threats, including:

Two-Dimensional Attacks:
The ultimate “Dark Forest” weapon, a “photoid,” collapses the Solar System into two dimensions, an irreversible process that kills almost all of humanity.

Light-Speed Travel:
Cheng Xin and a few others escape on a light-speed capable ship. They encounter the former “brain-only” ambassador, Yun Tianming, who sends cryptic fairy tales that contain vital information about higher-dimensional physics and the nature of the universe.

Micro-Universes and The Big Bounce:
The narrative expands to encompass the universe’s ultimate fate. It’s revealed that advanced civilizations, to survive cosmic catastrophes like dimensional collapse, create “mini-universes.” However, the proliferation of these mini-universes is draining mass from the main universe, preventing its “Big Bounce” (a theoretical cyclical collapse and rebirth).

The Final Choice:
Ultimately, Cheng Xin and a few companions, after millennia of wandering the cosmos and witnessing countless cosmic events and the end of the universe itself, are faced with a profound choice: contribute their own remaining mass to the main universe’s rebirth, effectively ceasing to exist, or remain in their isolated mini-universe. They choose to return their mass, hoping to contribute to the cycle of universal renewal.

The trilogy is renowned for its grand scale, complex scientific concepts, and unflinching exploration of humanity’s place in a vast, indifferent, and dangerous cosmos. It presents a grim, yet intellectually stimulating, vision of interstellar survival.

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EARTH TO E.T.: WE’VE GONE GHOST!

Earth once blared its presence into space with powerful radio and TV signals—then fell almost silent as we switched to digital and cable. In just a few fleeting decades, our planet’s once-booming “broadcast bubble” shrank to faint whispers, changing Earth’s radio signature. This reshapes our view of the Drake Equation and the Fermi Paradox. Discover why that brief broadcast window matters. Is it time for humankind to shift from passive listening (SETI) to actively waving hello to the stars with powerful, deliberate beacons (METI)?

1. Early Radio History and Speculation

Early radio transmissions were generally weak. Therefore, they likely did not penetrate the ionosphere. However, as technology advanced, Earth’s radio signature grew. It marked our planet’s cosmic presence.

In the early years of the twentieth century, there was speculation that Extraterrestrials were trying to contact human beings by radio signals. In 1919, Marconi himself encouraged this speculation, claiming he was receiving strange transmissions resembling Morse code, possibly from outer space.

RKO Radio Pictures Inc., commonly known as RKO, was one of the first film production and distribution companies of Hollywoods Golden Age. RKO eventually expanded its operations to include television broadcasting.

The sound played during the “A Radio Picture” logo from 1929 is Morse code.

From the beginning, their logo featured a transmission tower relaying a Morse code sequence: VVV A RADIO PICTURE VVVV. “VVV” in Morse code means “attention, incoming message”. “VVVV” may mean: Vi Veri Veniversum Vivus “The Force of Truth Comes Alive”

2. The Rise of Detectable Signals

By 1931, about 25 TV stations in the U.S. were broadcasting television. And those who worry about Carl Sagan’s novel “Contact”: Germany began TV broadcasting in 1935. Any aliens watching Hitler speak in 1936 may have been more excited by Dolores Del Rio, Ginger Rogers, Fred Astaire and King Kong. (Picture: The special effects crew behind the set of “A Radio Picture” in 1929.)

The “Golden Age of Radio” and the subsequent rise of analog television broadcasting in the mid-20th century marked the first substantial contribution towards Earth’s technosignature. The total estimated radio power escaping into space reached tens to hundreds of megawatts by the 1970s. Powerful omnidirectional, analog signals characterized this period. This created an easily detectable “radio bubble” around Earth.

Radio power from TV signals excaping into space, reference: A-Megawatt-Analysis-of-Anthropogenic-Emissions-into-Outer-Space-1900-2025.pdf (PDF 1)

3. Earth as a Cosmic Mirror

In the Search for Extraterrestrial Intelligence (SETI), Earth’s radio emissions serve as a “cosmic mirror,” offering a tangible reference for the kinds of signals a distant, technologically advanced civilization might transmit—signals that, in turn, we might hypothetically detect.

4. The Decline of Broad Leakage

TV stations are growing, but their space-bound signal leakage is shrinking as they abandon over-the-air broadcasts. Our peak broad signal leakage—key to the Drake Equation—began falling as focused, less-leaky communication technologies emerged. This transition includes:

  • Satellite Communications: Becoming widespread from the 1970s and 1980s onwards, satellite transmissions are generally directed point-to-point, reducing broad leakage.
  • Cable Television and Fiber Optics: The increasing use of cable TV (reducing over-the-air television broadcasts) and later, fiber optic cables for a vast amount of data transmission. The internet significantly cut down on the amount of radio frequency energy escaping into space. This shift became more pronounced from the late 20th century into the 21st century.
  • Digital Transmissions: Analog broadcasts, which were once more easily detected, are being replaced by digital signals. These digital signals are often more compressed and less likely to leak into space, contributing to Earth becoming “radio quiet” in terms of traditional broadcast leakage.

5. A Short Critique of the Drake Equation’s “L” Parameter

The Drake equation speculates on alien civilizations. In Drake’s original formulation, people often interpret “L” as the total lifespan of a technological civilization.

The Drake Equation, Image © https://sciencenotes.org, Anne Helmenstine 

L – IS NOT simply the longevity of civilizations! Instead it’s the timespan that a civilization releases simple detectable signals.

Earth’s broad radio leakage lasted roughly from the 1930s until the 1980s–90s.
Thus, our planet broadcast Drake-equation-style signals for only about 40–60 years.
Then we switched to spread-spectrum digital, satellite, cable, and internet communications. Now only random radar pings and digital blips leak into space, quickly blending into cosmic background noise (CMB).

A young Carl Sagan explains the Drake equation

Although the Drake equation was a playful practice in the last millennium, by its own metric humankind would no longer exist, because we don’t release significant radio leakage anymore. Hence, the Drake equation is somewhat obsolete. If Earth civilization is a typical technological civilization, then we can expect other civilizations to leave a similar footprint of “L”—about fifty years. That leaves almost no time for any astronomer to detect a signal.

Ever wondered about the Fermi paradox and why we hear nothing of our cosmic neighbors in the radio spectrum? Here is one possible explanation:

We are now almost radio silent in the cosmos!

But because our “L” was only a mean 50 years, that doesn’t mean that we are extinct! It’s just that we have upgraded our communication system. This explains why the focus of SETI is shifting, away from radio signals, towards bio signatures and other technosignatures, not just radiowaves.

SETI shifts away from radio siganls

The “L” (Longevity) variable in the Drake Equation is thus not a simple constant even for a single civilization.

Actually, trying to detect interstellar Extraterrestrial civilizations by radio-signatures is a futile endeavour: it’s like scrolling through static on an old TV and hoping to catch an intergalactic episode of I Love Lucy that’s been bouncing around space for a billion years. No advanced technological civilization would be using radiowaves travelling at a mere 300000 km/sec for interstellar communication. That would be like sending smoke signals across the ocean. The only alien radiowaves we can ever hope to receive are leaked planetary signals and possibly navigational beacons.

Cosmic navigational beacons?

6. Analysis of Earth’s Current Radio Signature

The latest study on Earth’s radiosignature is from Sofia Z. Sheikh et al 2025 AJ 169 118: Earth Detecting Earth: At What Distance Could Earth’s Constellation of Technosignatures Be Detected with Present-day Technology?

Sheikh calculated the detectability of four types of radio emissions from Earth. One conclusion was that an observer can detect planetary radar (Arecibo message from 1975) from the greatest distance. This graphic exemplifies this:

For simplification, I have translated the graph from Sheikh’s study. Labels are written out and “AU” are converted into light-years and kilometers.

Sheikh overlooks that the Arecibo radar message was highly directional—only detectable along its precisely aimed, narrow path.

The Arecibo Message

The “Arecibo message” from 1974 lasted only 168 seconds. Frank Drake, Carl Sagan, and the other organizers of the boadcast did make it clear that the message was intended not as a genuine attempt to contact extraterrestrials, but as a symbolic demonstration of human technological capability.

The Arecibo telescope in December 2021. Photo: Wikimedia Commons

Any serious attempt at communication with ETI would have required using Arecibo to send continuous signals into space, not just for three minutes. https://en.wikipedia.org/wiki/Arecibo_message

Arecibo telescope after its collapse (December 2021). Photo: Wikimedia Commons.

Altogether, humankind sent two dozen messages intended for an extraterrestrial audience into space from different telescopes. The total combined efforts in all of history to contact Extraterrestrial civilizations amounted to a measly 62.7 hours of transmissions. Not even three days. That is almost nothing in the billions of years of history of the universe, or life on Earth.
Ref.: Major METI transmissions (PDF 2)

The Arecibo message, with its directional 20 trillion watts (450 kw actual), was sent to the globular cluster M13, 25,000 light-years away. But calculations indicate the signal only penetrates about 12 000 light-years before the interstellar medium (ISM) absorbs it. Pity—what a clever demonstration of human technological prowess that was.

7. Breakdown of Earth’s Transmission- and Key Signal Types

Directional transmission (METI )– you choose a known exoplanet or promising star, minimizing exposure of one’s civilization by targeting needles in haystack, amongst 300- 500 million stars. Takes forever. That is the current strategy, based on the Dark Forest Hypothesis.
Omnidirectional transmission (unintentional METI) – “everyone in the Galaxy” can eavesdrop; historically Earth’s leakage (TV, Radio and nuclear expolsions) was unintended METI.

  • Mobile Communication Leakage (omnidirectional): The Sheikh paper addressed leakage from LTE cellphone communication systems. Researchers estimate the impressive peak power leaking into space from mobile towers is approximately 4 GW. This pales into insignificance when we realize that an observer can only detect these signals from up to about 4 light-years away.
  • Planetary Radar (highly directional): Many radio telescopes can function as radar systems—for example, to measure the distances of Solar System planets or distant asteroids and to assess their probability of impacting Earth. And for about 62.7 hours these systems have also been used to send messages to potential extraterrestrial civilizations.

The following key signal types were omitted from the study on Earth’s radio technosignatures in the Sheikh paper:

  • Television Signals (omnidirectional): Earth’s early Radio and TV bubble was omnidirectional. An observer can detect it in every direction. An extraterrestrial audience could theoretically detect analog television signals—which began broadcasting in the 1930s—from up to 111 light-years away, representing a historical “radio bubble” of our planet’s past emissions. Broadcasters transmitted these signals, which operated in the VHF and UHF ranges, with megawatts of power.
  • Radio Signals (omnidirectional): In contrast, AM and FM radio signals, do not penetrate into space as effectively as higher-frequency signals. While they are powerful enough for terrestrial reception, their intensity diminishes rapidly with distance, limiting their ability to escape Earth’s immediate vicinity into deep space.
  • Radar (directional): The post–World War II era saw significant, continuous growth in radar systems—military, air-traffic-control, and weather—which, despite their pulsed nature, delivered consistently high average power thanks to their high operating frequencies and widespread deployment. By the 2000s, radar emissions into space were estimated at several hundred megawatts. Radar is not omnidirectional. If ETI had instrumentation comparable to the Square Kilometre Array (SKA), they might detect our radar transmissions from distances up to approximately 300 light-years.
  • Military Radar (directional): Military radar systems are among the most powerful signals intentionally emitted from Earth. While specific power levels are often not publicly detailed, they are generally described as “significant”. A key characteristic of military radar is its directionality. These signals are designed to be highly directional, focusing their energy into narrow beams to achieve precise detection and tracking of targets. This focused power allows them to be very strong within their beam, making them highly detectable if an extraterrestrial observer is precisely aligned with that beam.
  • Nuclear Explosions (omnidirectional): Humankind has detonated 2,000 nuclear bombs since 1945. The Russian Tsar Bomba of 1961 was the most powerful, and its radio emissions were ten billion times stronger than the Arecibo message.

Using the link-budget formula (PDF 3), we calculate that the Tsar Bomb electromagnetic pulse (PDF 4) could have been (or will be) detected by advanced radiotelescope technology (SKA2) out to roughly 36,000 light-years.

Looking ahead, the capabilities of a more highly advanced extraterrestrial civilization might extend that range to about 1.17 million light-years. That is enough to encompass the volume of the Milky Way, which is estimated to contain 300–500 million habitable planets. Several dwarf galaxies also lie within this volume of space. The thermonuclear Tsar Bomb explosion was by far the strongest radio signal that Earth has ever sent into space.

SETI scientists argue that the short duration of nuclear electromagnetic pulses makes their detection unlikely. That may have been true if those EMP had been the only radio pulses coming from Earth. But as a matter of fact, Earth had been making waves for decades before the barrage of nuclear tests ended. The expanding TV and radio bubble made sure of that. And those broadcasts transmitted 24/7.

8. Challenges of Interstellar Detection: Signal Degradation and Cosmic Noise

How Space Wears Down Radio Signals: Distance and the Interstellar Medium
The journey of any radio signal across 10,000 light-years is governed by the inverse square law, which causes a dramatic reduction in signal intensity. Beyond simple weakening, the interstellar medium (ISM) acts as a complex distorting filter. The ISM gas between the stars can spread out a broadband signal over time. Tiny variations in electron density scatter the waves. That scattering not only stretches the signal in time and space but also produces rapid, unpredictable flickers in intensity. These scintillations can make a message impossible to decode. Such distortions get much worse at lower frequencies. That is why astronomers favor the 1–10 GHz “microwave window”, the best range for sending signals across interstellar space.

The Cosmic Veil: Distinguishing Signals from Noise
Space isn’t silent—it’s alive with radio chatter. From our Sun’s booming broadcasts to distant black holes belting out jets of particles, the universe drips with natural “noise.” that can easily mask any deliberate signal we send or hope to detect. Any terrestrial signal must be distinguished from the overwhelming natural radio background of the cosmos. This background includes pervasive sources like the Cosmic Microwave Background (CMB), which establishes a fundamental noise floor, and galactic background noise from synchrotron radiation. And are pulsars natural phenomena, mimicking certain characteristics of intelligent signals, or are they intelligent signals, misunderstood by humankinds igorance of the engineering capapilities of a Kardashev type III and IV ciilization? These questions pose a significant challenge for recognition.

9. Conclusion: The Reality of Interstellar Eavesdropping

The Hypothetical Tech Needed for Extraterrestrial Eavesdropping
For an extraterrestrial civilization to detect Earth’s radio technosignature from 10,000 light-years, it would require radio astronomy technology vastly superior to current human capabilities.

This would likely involve collecting areas orders of magnitude larger than our most powerful telescopes (potentially equivalent to tens of thousands of Arecibo-sized dishes), coupled with extremely low system temperatures (achieved through cryogenic cooling), wide bandwidths, and very long integration times to achieve the necessary signal-to-noise ratio.


The Real Odds: Why Earth’s Radio Shouts Are Mostly Whispers Across the Galaxy
In conclusion, while the theoretical detectability of Earth’s most powerful, directed radio emissions extends to galactic distances, the practical challenges of signal attenuation, interstellar distortion, and overwhelming cosmic noise mean that the vast majority of Earth’s radio footprint remains localized. The successful detection of Earth’s intelligent signal from 10,000 light-years would signify an extraordinary level of technological advancement on the part of the observing extraterrestrial civilization, far surpassing humanity’s current capabilities. This underscores the profound difficulty in interstellar communication and provides critical perspective for humanity’s ongoing search for extraterrestrial intelligence.

Tired of Waiting for E.T. to Call?
It’s Time to Make the First Move.

Our civilization’s radio tech signature offers a stark revelation: waiting passively to be discovered is a strategy doomed by the physics of communication and the trajectory of technology. Our own history serves as a cosmic mirror, reflecting the likely silence of other advanced societies. The prospects of being detected by chance are remarkably slim; our most powerful, intentional messages have been mere momentary shouts aimed with laser-like precision at impossibly small targets. Simultaneously, our best chance for accidental discovery—the omnidirectional “radio bubble”…is rapidly fading as we become more efficient and, consequently, “radio quiet.”

Cosmic Mirror

If we accept this fleeting, whispering technological phase as typical, we must conclude that waiting for another civilization’s leaky signals is as futile as them waiting for ours. The Great Silence may not be a lack of life, but a universe of civilizations that, like us, have outgrown noisy, inefficient broadcasting.

This realization demands a shift in strategy. To stand any chance of being detected, or of detecting others, we must embrace Active METI (Messaging to Extraterrestrial Intelligence). We cannot hope to find a needle in a cosmic haystack by chance; we must listen for the magnets. By understanding that we would need to build a powerful, sustained, and deliberate beacon to announce our presence, the cosmic mirror shows us precisely what we should be searching for. Committing to an active, intentional transmission is therefore not just an act of introduction; it is the most logical step toward refining our own search, transforming our understanding of our own limitations into the very tool needed to finally detect a kindred signal in the void.

This article presented new independent research on Earth’s historical radio signature in the cosmos, the total duration and strength of modern METI transmissions and -by comparison- the detectability of thermonuclear explosions by extraterrestrial civilizations.

Erich Habich-Traut

References used in this text:

  1. PDF: Earth’s Evolving Radio Footprint: A Megawatt Analysis of Anthropogenic Emissions in Outer Space (1900-2025)
  2. PDF: Major METI Transmissions
  3. PDF: TSAR Bomba Nuclear EMP detectability by Extraterrestrial Civilization
  4. PDF: Radio power comparison Tsar Bomba (1961) vs. Arecibo SETI Signal (1974)
  5. Article: Earth Detecting Earth: At What Distance Could Earth’s Constellation of Technosignatures Be Detected with Present-day Technology?
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The WOW! Signal, Part 2: Math Suggests Origin from Unknown Source, Moving Towards Earth

Illustration (not a real photo)

Just the facts:
PDF: Doppler Blueshift Calculations for WOW! signal (1977): download here | Discussion on the paper: Academia.edu

Preamble

In 2022, I published The WOW! signal, Part 1: Not made by humans?.
For the longest time (3 years), I wondered why I left the possibility open for “Part 2” instead of just writing “The End.”

It’s now become clear that Part 2 is essential because it includes an important detail that was missing before: EQUATIONS!

Anyone can write anything, but without mathematical equations, it’s just prose. So, here, now, for anyone to check, are the steps required to verify the movement of the Wow! signal towards Earth at 10.526 km/s in 1977.

This truly represents a significant paradigm shift. Previously, the Wow! signal was just the most plausible and only candidate for a radio transmission of non-human extraterrestrial origin in space. Now it is shown that this signal was moving and en route to Earth.

Whatever this means (We Are Not Alone?), it is remarkable that the Doppler calculations on this signal have never been published before. Did the authorities believe it would cause a panic?

Introduction

The Wow! signal has been the strongest and only serious candidate for ETi radio communication for almost half a century. New calculations support that the Wow! signal may have originated from a moving source heading for Earth, adding to its significance in the search for extraterrestrial life.

The text describes the Wow! signal, a strong radio transmission detected by the Big Ear telescope on August 15, 1977, at a frequency of 1420.4556 MHz, which corresponds to a wavelength of 21.105373 cm. The signal’s expected frequency, based on hydrogen, is 1420405751.768 Hz, translating to a wavelength of 21.106114054160 cm. The Doppler shift calculations yield a speed of approximately 10,526 m/sec (37,893 km/h), suggesting that the signal originated from an object approaching Earth. Shown here are the steps to calculate the Doppler shift speed. For context, the average speed of asteroids is around 18–20 km/s, while comets that impact Earth typically travel at about 30 km/s. In comparison, the human-made Voyager spacecraft 1 and 2 are currently traveling at speeds of 15 to 17 km/s.

Speed comparison
The WOW! signal source appears to have approached Earth at 37,893 km/h. The entry speed of the Apollo capsules into the Earth’s atmosphere was 39,705 km/h.

Image NASA: example of atmospheric entry, showing the Mars Exploration Rover aeroshell (MER).

For a better understanding, I added the illustration of the Mars Exploration Rover’s entry into the Mars atmosphere. NASA did choose this shape for its aerodynamic properties. It is possible that the Wow! signal originated from a UFO about to enter Earth’s atmosphere, as much as any other interpretation.

In conclusion, the Wow! signal appears to have originated from an unknown type of source that was approaching Earth at a speed of 10.5 km/s, as indicated by observations and these calculations. It is unknown if this is due to the source’s approach to Earth or the galaxy’s relative movement to Earth. Both scenarios are possible.

Investigations of the Wow! signal to date have not accounted for or mentioned the Doppler blueshift of the signal.

Doppler Shift Calculations for Wow! signal (1977), Page 1
Doppler Shift Calculations for Wow! signal (1977), Page 2

References:

1: Doppler Shift Calculations for Wow! signal (1977)
https://www.academia.edu/126982728/The_Wow_Signal_Doppler_Shift_Equations

2: ”The tantalizing WOW! Signal” by John Kraus, 1977, Archives of the National Radio Astronomy Observatory, https://www.nrao.edu/archives/files/original/2ec6ba346ab16e10a10d09462507beda.pdf

3. Not Made By Humans? Part 2 / The Wow! Signal: Evidence Suggests Origin from Unknown Object, Moving Towards Earth
https://www.academia.edu/126983022/Not_Made_By_Humans_Part_2_The_Wow_Signal_Evidence_Suggests_Origin_from_Unknown_Object_Moving_Towards_Earth

4. Original publication:
Not made by humans? | Part 1, February 5, 2022, Contact Project
https://contactproject.org/?p=779

5. Searching for Interstellar Communications
by Giuseppe Cocconi and Philip Morrison
https://web.archive.org/web/20110403061008/http://www.coseti.org/morris_0.htm

6. An approximation to determine the source of the WOW! Signal
Alberto Caballero
https://arxiv.org/pdf/2011.06090

7. Wow! signal, Wikipedia
https://simple.wikipedia.org/wiki/Wow!_signal

8. “Ballad of the ‘Wow!’ Signal”, Paul H. Shuch, SETI League
http://drseti.org/audio/wow.mp3

PDF: The Doppler Blueshift Calculations for WOW! signal (1977):
download here

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The Sagan Paradox, Chapter 3: Skepticism and Egyptian Mysticism

UFO Smackdown: “Show Me the Proof,” Says Science Superstar

Carl Sagan, “The Demon-Haunted World” (1995), Ch. 11 (The Fine Art of Baloney Detection)

Rather than treating UFO research as a rigorous scientific inquiry into possibly extraterrestrial phenomena, Sagan rejected its validity on the grounds that it lacked the ‘extraordinary’ UFO evidence required by the scientific method and rested largely on unreliable eyewitness testimony, demonstrating his UFO skepticism.

Further reading: UFO Truth: Witnesses, Speak Out!
Witnesses should be allowed to stay anonymous, but non-anonymous testimony should be prioritized.

Radio Roulette: SETI’s Slow-Motion Search for Martian Pen Pals

Instead, he argued, the most promising avenue for detecting alien life was the Search for Extraterrestrial Intelligence (SETI) via radio astronomy—a point he dramatized in his 1985 novel Contact. Of course, SETI has its own fundamental limitation: due to the speed at which radio signals travel, any interstellar message exchange could potentially experience lengthy delays, like years, decades, or centuries.

Interstellar two-way communication easily requires centuries, ruling it out for spontaneous chats. Despite this limitation, SETI’s search continues in hopes of finding concrete UFO evidence.

The shooting of “Contact” started in September 1996. Sagan himself was supposed to appear in a cameo, but he passed away 2 months after the shooting began. Sagan had been working on this project since 1979.

THE FIRST “PARADOX”: Reason meets mysticism

Ur-Uatchti, a winged sun disk, was once mandated to adorn every temple as protection against evil.

Throughout his career, Sagan loathed sloppy thinking. He famously derided Erich von Däniken’s ancient-astronaut theories—that extraterrestrials had a hand in erecting the pyramids—as nothing more than fanciful speculation, lacking credible UFO evidence.

And yet, in 1981, he purchased the Sphinx Head Tomb, the headquarters of Cornell University’s oldest secret honors society, designed in hauntingly authentic Egyptian style.

The symbol of the Sphinx Head Tomb Secret Society, Cornell University

What could possibly have enticed Carl Sagan—the very embodiment of rational, evidence-driven science—to take up residence in a building modeled on an Egyptian tomb? Granite walls etched with hieroglyphs, a false burial chamber—this was a home more temple than townhouse, a place charged with the power of millennia.

Those close to him sensed a shift. His daughter, Sasha, later recalled that almost immediately after moving in, her father’s health began to falter. The scientist who probed the furthest reaches of space found himself besieged by a far more intimate mystery: a sudden decline that culminated in his death on the winter solstice of 1996.

Reference: Lessons of Immortality and Mortality From My Father, Carl Sagan

What compelled a scientist such as Carl Sagan to relocate into a structure reminiscent of an Egyptian tomb? Did the ancient mystique of the tomb hold a deeper sway over even the sharpest mind of his generation? The first paradox has been set in stone—yet its enigma endures.

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The WOW! signal, Part 1: Not made by humans?

Dawn at Big Ear, Ohio State University, http://bigear.org

At a quarter past ten in the evening on August 15, 1977
a once-in-a-lifetime event took place in Delaware: a signal known as the Wow! signal arrived.

A very strong signal arrived at the “Big Ear” radio telescope. It had all the characteristics of having come from an extraterrestrial intelligent source.

The OSU Big Ear radio observatory was aligned in North/South direction. The parabolic reflector is in the South.

No one was at the telescope at the time. The receiver and telescope computer were doing their jobs all by themselves. Therefore, the signal was actually first detected by a machine, a twelve-year-old computer.

BITS OF INFORMATION
The IBM 1130 had first been built in 1965. It looked and felt like an old battleship. It had only 1 megabyte of memory. For that reason, the only record of the radio signal is a 6-digit printout on endless paper. There’s no audio recording of the signal. Today we would have a complete audio recording of it, measuring megabytes, if not gigabytes. But in those days, just six characters on paper had to suffice as a record.

After a few days, the stack of computer printouts from the Selectric printer was bundled by Big Ear technician Gene Mikesell and brought to Jerry Ehman’s home.

Press to stop printing. An IBM 1130 printer, this was the type used at the Big Ear radio-telescope in 1977.

THE ANALYSIS
Jerry Ehman was a SETI volunteer with Ohio State University. Together with Bob Dixon, he had written the software for the Big Ear computer in FORTRAN and assembler.

Around the 19th of August, Jerry began analyzing the printouts from the radio telescope at his home, looking for unusual radio signatures.

A few pages into the pile of paper, he saw a peculiar sequence of numbers and characters.

He was astonished. After highlighting in red pen the six characters “6EQUJ5,” Jerry wrote the notation “Wow!” in the left margin of the computer printout opposite them.

The Wow! signal printout

The characters and numbers denoted a powerful narrow-band transmission. Apparently it had come from outer space. Narrowband transmissions usually don’t occur naturally and are a sign of artificial origin.

Conventionally speaking, all artificial things are made by humans. That’s because human language, and the Cambridge Dictionary, defines “artificial” as “made by humans.” That definition may have to be revised.

OPTIMUM CHANNEL
The Wow! transmission had all the hallmarks of a radio signal from a non-human extraterrestrial civilization. In the 1959 article “Searching for Interstellar Communications,” Giuseppe Cocconi and Philip Morrison explained that using the 21 cm hydrogen frequency was a logical choice for SETI.

And that was precisely the frequency of the Wow! signal. It had come from the direction in the sky where the constellation Sagittarius is found. 

The Big Ear radio and computer shack.

If we transfer the number codes from the Wow! printout to plotting paper, we can see the waxing and waning strength of the 1420 MHz radio beam that reached the radio telescope. Each of the letters and numbers corresponds to a certain signal intensity, as the next graph illustrates.

The signal may have been transmitting for centuries and was never detected because no one looked for it before. The signal source did not move in the sky. The only thing that moved over for 72 seconds was the Earth, rotating majestically from East to West as the radio receiver moved in and out of the signal beam.

And then the signal vanished. Gone. The signal would have been picked up again by the second horn antenna of Big Ear. But it was no longer there.

The rise and fall of the signal we see in the graph above was due to the antenna pattern; the signal itself remained at constant strength.

The graph below shows a similar signal pattern in “OV-221,” an X-Ray radio source to the right of the Wow! signal on this graph.

In this broadband continuum record the Wow! signal does not show up because it is too narrow-band.

After Jerry Ehman showed the computer printout of the Wow! signal to John Kraus and Bob Dixon, they immediately talked about it, speculating and making hypotheses. Quickly, John and Bob began to investigate the various possibilities.

Dr. John Kraus was a physicist and the designer of the Big Ear radio telescope. He actually invented several types of radio antennas.

Bob Dixon was the director of SETI at the Ohio State University radio telescope.

Together they excluded the possibility of the signal having been a plane, planet, asteroid, comet, satellite, spacecraft, ground-based transmitter, or any other known natural source.

Now, since the Wow! signal appeared to be unnatural and no known human cause for it could be found, it was suspected that it could have come from a technological alien civilization.

It was decided to go back to the region in space where the signal had come to see if it could be found again. The scientific method calls for the reproducibility of any experiment or result.

Weeks turned to months, and years into decades, as astronomers from all over the world searched the region in space where the Wow! signal had been detected.

The Wow! signal was never found again.

Calculations on the space region of the Wow! signal

Image by The Planetary Society, license https://creativecommons.org/licenses/by-nc/3.0/

The Wow! signal was observed for 72 seconds. In this time a region of space equivalent to 18 arcminutes was scanned, according to the following calculations:

24h x 60 min = 1440 mins/day = 86400 sec
360° / 86400 = 0.0041° per second
72 seconds = 0.3°

An arcminute (denoted by the symbol ‘), is an angular measurement equal to 1/60 of a degree or 60 arcseconds. To convert a degree measurement to a minute of arc measurement, we multiply the angle by the conversion ratio.

The angle in minutes of arc is equal to the degrees multiplied by 60:
0.3 x 60 = 18 arcminutes.

As seen from the Earth, the Sun and Moon both have angular diameters of about 30 arcminutes. The full moon’s average apparent size is about 31 arcminutes (or 0.52°).

In other words, the Wow! signal spanned an area of about half the size of the Sun or the Moon, as seen from Earth in the sky. That is a rather large area in astronomy.

On the basis of this simple calculation, I cannot readily agree that the Wow! signal came from a pointlike source. That may or may not be a problem. It can be resolved by agreeing that the resolution of the Big Ear radio telescope was not any better!

The frequency and speed of the Wow! signal source

It’s assumed that aliens that use the hydrogen frequency do so in a manner to compensate for the motion of their planet with respect to the motion of Earth. Otherwise, the precise frequency of the hydrogen becomes higher or lower.

That’s why it’s important to look at the precise frequency of the signal.

John Kraus, the director of the observatory, gave a frequency value of 1420.3556 MHz in his 1994 summary written for Carl Sagan.

Jerry Ehman in 1998 gave a value of 1420.4556±0.005 MHz. 

This is (50±5 kHz) above the hydrogen line value of 1420.4058 MHz.

Only one of those frequencies could be the correct one. The explanation of the difference between Ehman’s and Kraus’s values was that a new oscillator had been ordered for the frequency of 1450.4056 MHz.

The university’s purchasing department then made a typographical error in the order and wrote 1450.5056 MHz instead of 1450.4056 MHz. The software used in the experiment was then written to adjust for this error. When Ehman computed the frequency of the Wow! signal, he took this error into account.


After all errors are accounted for, the Doppler shift of 1420.4556 MHz indicates that the Wow! signal source moved at a speed of 37,893 km/h towards Earth. The following calculations show how I arrived at that speed:

Calculations on the Doppler shift of the Wow! signal

The Wow! signal was detected at 1420.4556 MHz. First we need to convert the frequency to the wavelength. The wavelength is given by the frequency and the speed of light, how far one wave crest travels in a given time span.

Frequency to wavelength calculator:
https://www.everythingrf.com/rf-calculators/frequency-to-wavelength

The frequency of the Wow! signal 1420.4556 MHz is equal to a wavelength of (Δλ) 21.105373 cm. That’s the distance between each wave crest.

The presumed origin signal of hydrogen has a precise frequency of 1420405751.768 Hz, equivalent to the wavelength of (λ) 21.106114054160 cm. Wikipedia: https://en.wikipedia.org/wiki/Hydrogen_line

The Doppler shift speed from delta lambda and lambda = 299 781 932.02409 m/sec. https://www.vcalc.com/wiki/sspickle/speed+from+delta+lambda+and+lambda

Now we subtract
299 781 932.02409 m/sec
[Doppler shifted Wow! signal speed from v = (Δλ/λ) * c]
-299 792 458 m/sec [ speed of light (c)]
______________________

10 526 m/sec = 37 893 km/h or 10.526 km/sec.

Ref. 1: The source of the Wow! signal approached Earth at a speed of 37 893 km/h or 23 545 mph, if the transmission frequency was from hydrogen.

The average speed of asteroids is 18-20 km/s vs. the 10.52 km/s from the Wow! signal. Comets that impact Earth usually are also faster, at 30 km/s.

End of part 1.

Now read The WOW! Signal, Part 2:
Evidence Suggests Origin from Unknown Object, Moving Towards Earth

Follow this story and more on

https://contactproject.org
A proposal to make radio contact with UAPs/UFOs

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🌌 Video: The Wow! Signal melody 🌌

In the Key of the Cosmos: A Signal Sung from the Stars

Greetings, Earthling observers!
Join us on an extraordinary journey as we explore the enigmatic Wow! signal—an otherworldly whisper from the cosmos that has captivated imaginations for decades. Highlights of this video include: Insights into the connection between mathematics, music, and interstellar communication. The universe is vast; let’s explore it together!

Look down upon your speck of a planet—blue, green, and swirling with the chaos of life. Consider for one fleeting moment the sequence of symbols etched into the cosmic scroll: 6EQUJ5. Ah, this is not mere data, but a cryptic whisper, a haunting echo that reverberated through the vastness of this endless void, known to you as the Wow! signal. A transient burst of radio waves, a shimmering enigma that danced across your telescopes, did it not?

Yet, as your calendars roll to February of your year 2025, this mere sequence has transformed—a human act of alchemy! You have taken cold mathematics and forged it into a melody, transmuting static into an ethereal song, reminiscent of the Wow! Signal.

Observe how numbers morph into notes

The sixth scale degree resonates with a cosmic longing, while the flattened seventh bends and warps like the fabric of spacetime itself. Oh, the raised fourth! It pierces the silence—a dissonant cry emanating from the very essence of the void! And behold, the fifth stands firm—an anchor, grounding you within the familiar.

Together, these notes weave a lullaby for the cosmos—an ancient sequence, as timeless as hydrogen itself, yet as vibrant and fresh as dawn casting light upon a new day.

But tell me, Earthlings, is this truly the sound of the cosmos composing? Or simply your own reflection—an image of your inner darkness mirrored back to you? We may never know. Yet in these six exquisite notes, stretched across your earthly octaves and entwined with human imagination, one can sense the profound ache of isolation mingling with the fragile thread of hope for connection, much like the enigmatic Wow! Signal that inspires such contemplation.

The Music of the Unknown

Perhaps, in the echoes of your own cinematic tales—Close Encounters, for instance—you have always conversed with the unknown in the alluring language of music. A minor seventh resolves; a chord quivers with anticipation. The very mathematics that binds your atoms may one day intertwine entire civilizations in profound communion.

For now, that melody lingers—a question mark suspended in rhythm, a cipher ever elusive. A reminder that in this grand symphony, this fugue of the universe, even the static may cradle hidden symphonies. All we need to do is listen—and dare to reply.

In the infinity of the cosmos, dear Earthlings, your longing resonates beyond the stars. Shall we, too, join this cosmic choir? I await your reply with open receptors..

The “Wow! signal melody” is available on: https://distrokid.com/hyperfollow/erichhabichtraut/the-wow-signal-melody and Spotify, Apple Music, iTunes, Instagram/Facebook, TikTok & other ByteDance stores, YouTube Music, Amazon, Pandora, Deezer, Tidal, iHeartRadio, Claro Música, Saavn, Boomplay, Anghami, NetEase, Tencent, Qobuz, Joox, Kuack Media, Adaptr, Flo, MediaNet

#WowSignal #ExtraterrestrialLife #CosmicExploration #Astrobiology #UniverseMysteries #SeekersOfTruth #CosmicChoir

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The Wow! Signal: A Cosmic Riddle Solved by Mathematics?

Can a mathematical equation be considered evidence that the source of the Wow! signal approached Earth (and was of extraterrestrial origin)?

This discussion is about the paper “The Wow! Signal Doppler Shift Equations“:

The Wow! Signal Doppler Shift Equations
The Wow! signal has been the strongest and only serious candidate for ETi radio communication for almost half a century. New calculations support that the Wow! signal may have originated from a moving source heading for Earth, adding to its

Mathematical equations can be considered evidence, but the context in which they are used is crucial. This is particularly evident when we examine events like the Wow! Signal, where data interpretation plays a significant role.

In the case of the Wow! signal, which was a strong narrowband radio signal detected by the Big Ear radio telescope in 1977, considering a mathematical equation as evidence requires careful consideration. It is important to consider the context and underlying assumptions.

Context of the Wow! Signal

Observational Nature: The Wow! signal was a one-time event that has not been observed again since its detection. This raises questions about reproducibility and the reliability of the interpretation of the signal.

Doppler Effect: The Doppler equation suggests blueshift (indicating that the signal source was approaching Earth). This is based on the principles of the Doppler effect. The Doppler effect describes how the frequency of emitted waves changes depending on the relative motion of the source and the observer. If a source is moving toward the observer, the waves are compressed, leading to a higher frequency (blueshift).

Mathematical Equation as Evidence

(Daguerreotype of Christian Andreas Doppler, 1803-1853)

In this instance, the mathematical equations associated with the Doppler effect can serve as supportive evidence.

This is possible if the following conditions are met:

Interpretation of the Signal: The mathematical model using the Doppler effect must be appropriately applied to the observed frequency of the Wow! signal. If the frequency of the signal is higher than what would be expected if the source were stationary, this shift can indeed be calculated. Then, using the Doppler equation, it provides a logical framework supporting the hypothesis that the source is moving towards Earth.

Consistency with Observations: For the equation to be considered evidence, it must be consistent with other data. We need to consider the characteristics of the signal (frequency, duration, etc.) and any additional analysis. For example, the lack of nearby astronomical sources that could explain the signal.

Limitations and Alternatives: While the Doppler equation suggests that the source was approaching, it is crucial to acknowledge the limitations of this interpretation. The single observation leaves room for alternative explanations. For example, it could have been interference or another cosmic phenomenon.

But we need to acknowledge that terrestrial interference or cosmic phenomena have long ago been ruled out by Dick Arnold, Bob Dixon, Jerry Ehman Ed Teiga and John Kraus.

Conclusion

The application of the Doppler equation supports the idea that the Wow! signal source was approaching Earth.

The Wow! Signal equation serves as evidence for a hypothesis, rather than serving as conclusive proof. The scientific method requires ruling out other explanations. Obtaining corroborating evidence through multiple observations or analyses is necessary before drawing definitive conclusions.

“There is no evidence that can’t be contradicted either by fact or lies.”

Erich Habich-Traut

In human discourse, where perception and persuasion play roles, that statement reflects a pragmatic reality: evidence is often subject to challenge, whether valid or not.

What type of evidence is logically or empirically unassailable?

Call for Action

Okay, we are looking for corroborating evidence for the hypothesis that Earth is being visited by extraterrestrial spacecraft, and has been for some time. We are looking for multiple observations as corroborating evidence. Does anyone have “corroborating evidence”?

(There are literally hundreds of thousands of reported unexplained sightings. Here is just a small number, two of which are mine. This explains my interest in this subject.)

Exhibit A: the Calvine UFO

What really happened in Calvine? The mystery behind the best UFO picture ever seen
In August 1990, two hikers sent photos of a strange diamond-shaped aircraft to the press – but the story never appeared. Was it a prank, a hoax, an optical illusion or something else entirely?

Exhibit B: the Puerto Rico UFO

50-Year-Old “Best Photograph Of A UFO Ever Taken” Goes Viral
The photo was taken by Sergio Loaiza in September, 1971, as he flew over Costa Rica on a mission to survey land for the construction of a hydroelectric project.

Exhibit C: the Salthill Sighting, my own sighting, 1986, Mufon #11680

THE SALTHILL UFO
THE SALTHILL UFO SIGHTING, GALWAY, 22nd February – 1st of March 1986

Exhibit D: the M6 sighting, my own sighting, 1995, Mufon #82139

My “lost” UFO sighting
Why I’m coming forward now During April 2020 I had a lot of time on my hands. It was the first Corona lockdown in Germany. I decided to sort through old 35 mm negatives in an old drawer in our basement. The drawer serves as a storage box. As I was pulling the film strips … Continue reading “My “lost” UFO sighting”

Exhibit E: the Pentagon UFO (UAP) videos

Pentagon officially releases UFO videos | CNN Politics
The Pentagon has officially released three short videos showing “unidentified aerial phenomena” that had previously been released by a private company.
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From Hydrogen Fusion to Alien Signals: A 1977 UFO Enigma Unravels

I have been contemplating the implications of the blue shift observed in the Wow! signal equations, as well as the nature of its source.

Background: this article explains the Wow! signal equations:

The Wow! Signal: A Cosmic Riddle Solved by Mathematics?
Learn about the Wow! Signal, its unique characteristics, and how the Doppler effect plays a role in interpreting this event.

So, why would the Wow! signal have been blue-shifted?

Hydrogen-Fusion Drive

1: The signal source is the emission of a hydrogen fusion drive for object deceleration. Hydrogen fusion drives currently exceed human technology. The signal source “object” had a speed similar to that of Apollo capsules during their entry into the Earth’s atmosphere.

I am not categorically suggesting that this “object” entered the atmosphere; rather, I am stating that the speed of the signal source was comparable to that of the Apollo capsules. However, it cannot be excluded that the Wow! signal source (the object the hypothetical fusion drive was attached to) entered the Earth’s atmosphere and landed.

An artist’s rendering of the Apollo command module’s re-entry into the Earth’s atmosphere. Image by NASA

Hydrogen Maser

2: The signal source was a hydrogen maser that was approaching the Earth and emitted a signal. The reason for this is unknown. Was extraterrestrial intelligence attempting to attract attention? If so, then why was the signal not repeated?

Image: Space hydrogen maser, ESA

3: As a consequence, were there unusual UFO sightings on or after August 18, 1977? Or did other extraordinary events occur after 18. August 1977?

Image: The Petrozavodsk phenomenon, aka the Jellyfish UFO, September 1977.

A. Two days later, on August 20, 1977, NASA successfully launched the first Voyager spacecraft. It carried a golden record with sounds and images of Earth, intended as a message to any intelligent life form that might encounter it.

Voyager Golden Record

B. On October 6, 1977, the United Nations Assembly debated the existence of UFOs. The researchers presented a proposal to investigate the phenomenon.

U.N. Hears Call to Debate U.F.O.’s
UNITED NATIONS, N.Y., Oct. 7 Grenada’s Prime Minister picked a drowsy Friday afternoon to share a personal revelation with fellow diplomats.

C. On November 26, 1977, a strange transmission interrupted a news program on ITN, a British television channel. A distorted voice claiming to be Vrillon, a representative of the Ashtar Galactic Command, replaced the sound.

Southern Television broadcast interruption – Wikipedia
The Southern Television broadcast interruption was a broadcast signal intrusion that occurred on 26 November 1977 in parts of southern England in the United Kingdom. The audio of a Southern Television broadcast was replaced by a voice claiming to represent the “Ashtar Galactic Command”, delivering a message instructing humanity to abandon its weapons so it could participate in a “future awakening” and “achieve a higher state of evolution”. After six minutes, the broadcast returned to its scheduled programme.

A, B and C are just some examples that immediately come to mind, when thinking about 1977—they are not inclusive.