![]() A few days later, Ehman picked up the unusual signal on a computer printout. According to radio astronomer Jerry Ehman, the source radio emission entered the receiver of the Big Ear radio telescope at Ohio State University in the US at about 11:16 pm on 15 August 1977. It is an excellent target to search for potentially habitable exoplanets. The Wow signal A 72-second signal was detected in 1977. ![]() While various theories have been thrown around, nothing has ever been confirmed. "This star has an estimated temperature only 5 degrees higher than the Sun, and a radius and luminosity almost identical. First detected in 1977, at the Big Ear Radio Observatory in Ohio, the WOW signal was initially thought to be aliens. ![]() "One of those stars is very close to the distance with the highest probability of existing an extraterrestrial civilization," he added in a video. According to the lead researcher on the paper, astrophysicist Antonio Paris, the comet that they propose caused the signal was unknown at the time of the signal discovery. "Despite this star is located too far for sending any reply in the form of a radio or light transmission, it could be a great target to make observations searching for exoplanets around the star." The Wow signal was a strong narrowband radio signal detected on August 15, 1977, by Ohio State Universitys Big Ear radio telescope in the United States. 15, 1977, an astronomer at Ohio State University, listening to the galaxy with the university’s powerful Big Ear radio. "The only potential Sun-like star in all the Wow! signal region appears to be 2MASS 19281982-2640123," he wrote in the paper. Photo Illustration by Thomas Levinson/The Daily Beast/Getty/NAAPO. This type of search wasn't designed to figure out exactly what it is, say if it's from a natural source, but to narrow down the search were it to be from an alien civilization.Īs Caballero explains in a video on his popular YouTube page The Exoplanets Channel as well as in his paper, he managed to narrow the candidates down to one star. The famous Wow signal was detected by the Big Ear Radio Observatory at Ohio State University it was thirty. In the new paper, astronomer Alberto Caballero searched through the European Space Agency's Gaia data – a database of more than 1 billion stars – for stars in the signal's region that are similar to our own, specifically trying to narrow the search down to stars that might host an exoplanet with potential for life. One such signal in particular caught astronomers’ interest on August 15, 1977. In 1977, an astronomer looking for alien life in the night sky above Ohio spotted a radio signal so powerful that he excitedly wrote Wow next to his data.
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