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50th anniversary: Big Ear, a radio telescope at Ohio State University, received a strong,...

Sun, August 15, 2027

in 9 mo

Source

In 1977, Big Ear, a radio telescope at Ohio State University, received a strong, apparently extraterrestrial radio signal that became known as the Wow! signal (printout pictured).

Also on Aug 15, 2027

Source, method and history
Source
Wikipedia
How we know
Wikipedia "On this day" selected anniversary, 50 years (1977 to 2027).
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None recorded.