Astronomers find supernovae can leave behind gas that slams into hydrogen and brightens again

Lee Bell
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Astronomers find supernovae can leave behind gas that slams into hydrogen and brightens again

Stars can appear to remain luminous without any outside interference

Astronomers have found that the explosions of stars, known as supernovae, can leave behind gaseous remains that slam into hydrogen-rich gas and temporarily get bright again, appearing to remain luminous...

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