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“6EQUJ5" --Found! Source of the Infamous "WOW" Signal That Might Have Changed the Course of Human History (Today's Most Popular)




In 2016, the Center for Planetary Science proposed a hypothesis arguing a comet and/or its hydrogen cloud were a strong candidate for the source of the “Wow!” Signal. From 27 November 2016 to 24 February 2017, the Center conducted 200 observations in the radio spectrum to validate the hypothesis. The investigation discovered that comet 266/P Christensen emitted a radio signal at 1420.25 MHz hydrogen line, the vibration frequency of hydrogen, the most common molecule in the universe . All radio emissions detected were within 1° (60 arcminutes) of the known celestial coordinates of the comet as it transited the neighborhood of the “Wow!” Signal.

On August 15, 1977: the night before Elvis Presley died, at 11:16 p.m. an Ohio radio telescope -a rectangular structure, larger than three football feilds- called the Big Ear recorded a single pulse of radiation that seemed to come from somewhere in the constellation of Sagittarius at the 1420 MHz exactly the signal ET-hunters had been instructed to look out for. The signal was so strong that it pushed the Big Ear's recording device off the chart.


Three nights later, on August 18, astronomer Jerry Ehman sat at his kitchen table flipping through a thick computer-generated printout displaying the cryptic stream of blank spaces and black digits shown below. As Ehman looked carefully through this forest of information, he zoomed in on a an odd column that read, from top to bottom: “6EQUJ5.”





The image above shows a graphic which was produced by the SETI from the data of the "Wow" signal. A signal (Gaussian, triplet or pulse) arises only in a single narrowband channel. All other channels contain noise. Up to now we do not know cosmic phenomena which would generate such signals. It would seem improbable that they have no artificial origin. The imageshows a computer generated example of a strong Gaussian signal.

The Big Ear team explored every possibility: military transmissions, reflections of Earth signals off asteroids or satellites, natural emissions from stars, but nothing fit. And most odd of all, the signal came from a blank patch of sky totally devoid of stars. The young engineer's only thought was that it could have been beamed from a spaceship traveling through the universe in search of some sign of life.

Big Ear was catching radio signals in a set of fifty distinct frequency channels taht included some that overlapped with a special natural frequency— the frequency at which atoms of hydrogen emit radiation when their proton and electron flip between quantum spin states.

This 1400 MHz or 21-centimeter line reveals the glow of interstellar and intergalactic hydrogen gas. It can also reveal the moisture content of our atmosphere and even the salinity of our oceans here on Earth when detected from space. This frequency also sits at an especially quiet spot within the galactic hubbub of radio waves, an attractive place to gather to listen for interesting phenomena that's called “the cosmic watering hole” in the electromagnetic spectrum.

“6EQUJ5” signified a sudden pulse of radio energy when it appeared on Big Ear’s printout, wrote Scharf in his brilliant new book, The Copernicus Complex: Our Cosmic Significance in a Universe of Planets and Probabilities. "Usually the faint signals of natural noise only rated blank spaces, or digits such as 1, 2, or 3. But if the signals got strong enough the computer would have to shift up to letters— and by the time it got to “U” it meant a signal about thirty times more powerful than the cosmic background. This pulse lasted for the duration of Big Ear’s attention span on any one spot on the sky: seventy-two seconds. It also came in at almost exactly the atomic hydrogen frequency, the cosmic watering hole. But then it was gone. And it didn’t come back— ever."

The Ohio State University researchers wondered if it was man's first contact with extraterrestrial intelligence. They trained the massive scope on that part of the sky for the next month, and have returned periodically since, with no repeat of the signal

And although many point to it as a possible extraterrestrial intelligence sighting, Ehman, says told the Cleveland Pain Dealer "We should have seen it again when we looked for it 50 times. Something suggests it was an Earth-bound signal that simply got reflected off a piece of space debris."

"If those civilizations are out there – and we don't know that they are – those that inhabit star systems that lie close to the plane of the Earth's orbit around the sun will be the most motivated to send communications signals toward Earth, because those civilizations will surely have detected our annual transit across the face of the sun, telling them that Earth lies in a habitable zone, where liquid water is stable," says Richard Conn Henry, of Johns Hopkins University. "Through spectroscopic analysis of our atmosphere, they will know that Earth likely bears life. Knowing where to look tremendously reduces the amount of radio telescope time we will need to conduct the search.”

Henry and colleagues think that we limit our search for extra-terrestrial intelligence to the ecliptic plane in which our solar system's planets orbit. This ecliptic band comprises only about 3 percent of the sky, which could make it easier for scientists to effectively narrow their search for intelligent ET.

The logic behind it postulates that if there is another, perhaps more advanced alien civilization in our galaxy out there; they may be trying to contact us, as well. If this is the case, Henry says a search focused on the ecliptic "should lead rapidly to the detection of other civilizations".

Exoplanets in the ecliptic should be able to see Earth passing in front of the Sun. These transits are what Earth astronomers rely on to identify a variety of information about the transiting planets, such as radius, density and composition. Transits also reveal the secret’s of a planet's atmosphere, therefore any potential alien astronomers studying the Earth's spectrum would theoretically find the indicators of life in our atmospheric oxygen, letting them know—just as we long to know—that they are not alone.

Henry, along with his colleagues, searches the ecliptic for these advanced alien civilizations with the Allen Telescope Array, a set of dozens of antennae in Hat Creek, California.

According to Greg Laughlin, an astronomer and extrasolar planet hunter at the University of California, Santa Cruz, if there is a stargazing civilization trying to make contact with us within 50 light years, its inhabitants would see the Earth as a bluish dot. All they would need is an 8-metre space-based telescope with a good coronagraph along with a set of space-based infrared telescopes, which would enable them to detect ozone and water vapor in our atmosphere.

Most of the 100 billion stars in our Milky Way galaxy are located in the galactic plane, forming another great circle around the sky. The two great circles intersect near Taurus and Sagittarius, two constellations opposite each other in the Earth's sky – areas where the search will initially concentrate.

"We have no idea how many – if any – other civilizations there are in our galaxy,” Henry noted. “One critical factor is how long a civilization – for example, our own – remains in existence. If, as we dearly hope, the answer is many millions of years, then even if civilizations are fairly rare, those in our ecliptic plane will have learned of our existence. They will know that life exists on Earth and they will have the patience to beam easily detectable radio (or optical) signals in our direction, if necessary, for millions of years in the hope, now realized, that a technological civilization will appear on Earth."

Research of the past two decades have shown that literally billions of planets in the Milky Way might have niches that would support at least a level of life represented by Earth's extreomophiles.

Yet, the long-debated Drake Equation is of still of seminal importance because it orders our thinking. This one equation formed the backbone of astrobiology as a science. Carl Sagan was inspired that the Drake Equation showed the chances of intelligent alien life were high but he also added that extraordinary claims require extraordinary evidence.

In 2010, the Italian astronomer Claudio Maccone published in the journal Acta Astronautica the Statistical Drake Equation (SDE). It is mathematically more complex and robust than the Classical Drake Equation (CDE).

The SDE is based on the Central Limit Theorem, which states that given the enough number of independent random variables with finite mean and variance, those variables will be normally distributed as represented by a Gaussian or bell curve in a plot. In this way, each of the seven factors of the Drake Equation become independent positive random variables. In his paper, Maccone tested his SDE using values usually accepted by the SETI community, and the results may be good news for the “alien hunters”.

Although the numerical results were not his objective, Maccone estimated with his SDE that our galaxy may harbor 4,590 extraterrestrial civilizations. Assuming the same values for each term the Classical Drake Equation estimates only 3,500. So the SDE adds more than 1,000 civilizations to the previous estimate.

Another SDE advantage is to incorporate the standard variation concept, which shows how much variation exists from the average value. In this case the standard variation concept is pretty high: 11,195. In other words, besides human society, zero to 15,785 advanced technological societies could exist in the Milky Way.

If those galactic societies were equally spaced, they could be at an average distance of 28,845 light-years apart. That’s too far to have a dialogue with them, even through electromagnetic radiation traveling in the speed of light. So, even with such a potentially high number of advanced civilizations, interstellar communication would still be a major technological challenge.

Still, according to SDE, the average distance we should expect to find any alien intelligent life form may be 2,670 light-years from Earth. There is a 75% chance we could find ET between 1,361 and 3,979 light-years away.

We should also be open to the distinct possibility that advanced alien communications technology a billion years old may operate at the third, or perhaps even a fourth or fifth level -all of which are totally incomprehensible to the human mind at our current state of evolution in 2014.

The Daily Galaxy via Center for Planetary Science, The Copernicus Complex,  Caleb Scharf -Is There Life Beyond,, and


The chances to find an inhabited planet with a civilization in the same developing process as we are now (using radio waves the way we do) is 1 in 1 million. It`s like trying to receive digital data with an old AM radio. We belong to a young star, compared to others that might be 2 or 3 times the age of our Sun. Imagine what advances we made in the last 1 hundred years and see how advanced other civilizations might be , 4 or 8 billion years older than us. The chances that we find a civilization on a lower stage than us is 1 in 100.

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This is how science is done these days: A group of scientists publish an article that "claims" to have solved the mystery of the Wow! signal, suggesting it might have been the debris field of a comet that caused it to send back a signal that suggested it might have come from an extraterrestrial source.
They offered no proof, simply threw it out there, and source after source on the internet now accepts that explanation as "the" explanation of the signal.
Not so fast, people. This is all speculation and the fact is that there have been dozens of articles published about what the source of the Wow! signal could have been, and a space debris field was one of them.
But get this. The one thing the article did not say is that the known position of the comet's debris field was at least 15 degrees laterally and three degrees vertically from where the Wow! signal was located. Even had the comet's debris field been off just one degree of arc (level with the position in the sky where the Wow! signal appeared) it wouldn't have been anywhere near the source of origin.
We still don't know what caused the Wow! signal but we've eliminated a lot of possible causes. Maybe someday we'll find out, but right now we've got to do real science. You don't just disprove a theory by simply speculating on a hypothetical cause that (had they checked) wouldn't have supplied an accurate answer to the problem Simply saying that it was caused by a passing comet debris field doesn't mean that it's now an established fact . . . but you wouldn't know it from the voices on the internet who've decided that it must be the cause of the Wow! signal. (Science, people. Do the science!)

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