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radio waves: A secret alien message: A powerful radio signal from the edge of the universe has stunned astronomers - The Economic Times
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ESA Operations on X: "Today is the 44th anniversary of the #Arecibo message! A radio signal sent through #interstellar #space, carrying information on #humanity & #Earth🌍✨. The purple section at the bottom
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Astronomers spot record-breaking radio signal that took 8 billion years to reach Earth: "Mind-blowing" - CBS News
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Astronomers spot record-breaking radio signal that took 8 billion years to reach Earth: "Mind-blowing" - CBS News
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