Green comet seen from Earth for first time since Stone Age
  • 11 bulan yang lalu
A recently discovered green comet passed Earth for the first time in 50,000 years. It was last visible in the night sky during the Stone Age. Adam Frank, a professor of astrophysics at the University of Rochester, discusses with CNN's John Berman.

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top news, us news, green comet, space, science, adam frank, anderson cooper 360, green comet 2023
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