There Could Be Four Hostile Civilizations in the Milky Way - Universe Today
6/15/2022 12:00:00 AM2 years 10 months ago
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In a series of papers, amateur astronomer and exoplanet researcher Alberto Caballero narrows down who could have sent the Wow! Signal and how many hostile civilizations could be listening to our transmissions.
In 1977, the Big Ear Radio Telescope at Ohio State University picked up a strong narrowband signal from space. The signal was a continuous radio wave that was very strong in intensity and frequency a… [+11729 chars]
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