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EntertainmentRadio signals transmitted 8 billion years ago, like heartbeats, captured
Radio signalTelescope Australia detects more mysterious radio signals
The new wave of light waves discovered about 6 billion light years makes astronomers more confused about the source of the signal.
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Camera takes a photo that lasts 1,000 years -
Was there nuclear war in ancient times?
Was there nuclear war in ancient times?
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