The Arecibo telescope in Puerto Rico detected radio alerts much like the Wow! sign
NAIC/Arecibo Observatory/NSF
An unexplained radio sign detected in 1977 generally known as the Wow! sign, which some have interpreted as an alien message, could have been the results of a pure galactic laser-like beam.
On 15 August 1977, the Massive Ear radio telescope at Ohio State College detected a short, highly effective burst of radio waves with an unusually slim vary of frequencies, much like atomic hydrogen’s pure emission frequency. No recognized astronomical processes might have produced such an emission, and astronomer Jerry Ehman, who labored on the…