The strange radio signal lasted 72 seconds

When in the late fifties of the last century, thinking about how to do this contact extraterrestrial civilizations, Two physicists from Cornell University Philip Morrison and Giuseppe Cocconi They find that it is better to emit radio signals At a frequency of 1420 MHz, that is, with a wavelength of 21 cm corresponding to the emission line hydrogen atoms.This assumption seems to be correct, so it was decided to build a special one Radio telescope for listening to space. It was used in 1963 at the University of Delaware.

The received radio signal was analyzed by an IBM 1130 computer. Late in the evening on August 16, 1977, Dr. Jerry Iman read the results of the monitoring Saw “6EQUJ5” signal strength sequence that almost exactly matches the predicted alien signal characteristics at the assumed frequency near the hydrogen line. The signal no longer repeated itself, and its source could not be clearly determined. The only thing known is that sure It was not a signal from the ground And that was not due to any malfunction in the radio telescope. Monitoring continued throughout the 1990s, also with more powerful radio telescopes, but the universe fell silent. Signal – named after Dr. Iman’s note Wow signal! – remained one of the biggest Unsolved mysteries of astronomy.


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