On this day in space! Aug. 15, 1977: Mysterious 'Wow!' Signal boosts search for E.T.
On Aug. 15, 1977, astronomers using Ohio State University's Big Ear radio telescope detected the famous "Wow!" signal, which remains unexplained to this day.
On August 15, 1977, astronomers at Ohio State University's Big Ear radio telescope made an extraordinary discovery that still captivates the search for extraterrestrial life. Using the telescope to scan a region in the constellation Sagittarius, astronomer Jerry Ehman detected a peculiar 72-second-long radio burst. This signal, unlike background noise, was so strong that it was deemed unlikely to have originated from Earth.
Despite subsequent attempts, astronomers have not detected any other signals similar to the famous "Wow!" signal. The mysterious 72-second-long radio burst, now an iconic symbol in the ongoing search for extraterrestrial life, was detected nearly two decades before the first confirmed discovery of exoplanets. Today, with over 6,000 exoplanets discovered and advanced technologies at our fingertips, the search for life beyond Earth continues.
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