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Wow! signal - Wikipedia, the free encyclopedia
The Wow! signal was a strong, narrowband radio signal detected by Dr. Jerry R. Ehman on August 15, 1977, while working on a SETI project at the Big Ear radio telescope of the Ohio State University. The signal bore expected hallmarks of potential non-terrestrial and non-solar system origin. It lasted for 72 seconds.
that's how it happened
9 years, check it, of haphazard links to stuff on the internet.
