Universe Today - Inevitable Supernova

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DATE : Mon, 24 Jul 2006 15:30:00 -0800
Entered in Database : 2006-07-24 23:30:00
length : 5490624
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Consider the dramatic binary system of RS Ophiuchi. A tiny white dwarf star, about the size of our Earth, is locked in orbit with a red giant star. A stream of material is flowing from the red giant to the white dwarf. Every 20 years or so, the accumulated material erupts as a nova explosion, brightening the star temporarily. But this is just a precursor to the inevitable cataclysm - when the white dwarf collapses under this stolen mass, and then explodes as a supernova. Dr. Jennifer Sokoloski has been studying RS Ophiuchi since it flared up earlier this year; she discusses what they've learned so far, and what's to come.

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