A companion star previously buried in the brilliance of
its partner's supernova has been discovered by NASA's Hubble
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The reason for the hydrogen loss was unknown, therefore astronomers used Hubble to look for clues and test
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Two out of two?
Scientists previously thought that the tremendous winds of a giant progenitor star could sweep away its hydrogen
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One to Watch
The progenitors of entirely stripped-envelope supernovae have been difficult to discern in pre-explosion photos,
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