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What if I told you... There’s a signal coming from space... That no one can explain? In 1977... A radio telescope picked up something strange. It lasted just 72 seconds... And then... It vanished forever. Scientists called it... The “Wow! Signal.” Because when they saw the data... One researcher literally wrote... “Wow.” Next to it. It was stronger than anything... They had ever detected from deep space. And here’s the creepy part... It never repeated. Not once. Not ever again