06-September-2006, 07:55 PM
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Senior Member
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Join Date: Dec 2002
Posts: 328
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The Pleiades' Lost Sister
From KenCroswell.com:
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An ultramassive white dwarf in Eridanus may have escaped from the Pleiades star cluster, say astronomers in England. If so, the lost Pleiad was once a bright blue star that outshone all the current cluster members. The discovery implies that the white dwarf evolved from a single star, contradicting theories that say ultramassive white dwarfs form only from the merger of two lesser white dwarfs.
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