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Thursday, 30. May 2002
RobertBast, May 30, 2002 at 2:20:00 PM AEST

White Dwarf Could Destroy Life on Earth


 Chandra pic of a supernova
A white dwarf called HR8210, part of a binary star system just 150 light years away, was first spotted in 1993. By itself it is not large enough to evolve into a dangerous supernova; however, it is in a binary system with another aging star, which will dump its outer layers on HR8210 when it enters its final days.

They say it might take hundreds of millions of years before it goes supernova, but fail to give us any minimum...

Sources: Cosmiverse + New Scientist + (picture details)

  
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