How a 72 Second Signal From Space Became the Biggest Mystery in Astronomy
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How a 72 Second Signal From Space Became the Biggest Mystery in Astronomy
In 1977, astronomers recorded an unexplained 72-second radio signal stronger than anything else detected from deep space. Dubbed the “Wow Signal,” it came and went without warning, never repeating again. Decades later, scientists still debate whether it was a cosmic anomaly or evidence of intelligent life.
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