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'Born-again' star offers rare chance to watch stellar evolution in real time
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beep piefed.world beep@piefed.world
Joined: 2026-04-08
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  • A star called Sakurai's Object has become six times hotter in the past 30 years, one of the fastest increases ever seen.
  • It has entered a new stage of stellar evolution, representing a Wolf-Rayet star.
  • The rapidly changing star offers astronomers a rare opportunity to watch stellar evolution unfold in real time.
  • Sakurai’s Object is a dead star which re-ignited in the 1990’s as a ‘born-again’ star. 30 years ago it was similar in temperature to our Sun.
  • New observations show the star is reheating more gradually than some theories predicted
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