Chandrasekhar Limit exceeded?
- From: Jan Panteltje <pNaonStpealmtje@xxxxxxxxx>
- Date: Fri, 22 Sep 2006 10:09:07 GMT
From:
http://edition.cnn.com/2006/TECH/space/09/21/supernova.reut/index.html
<quote>
Scientists have believed that dying stars known as "white dwarfs" can't
expand to more than 1.4 times the size of our sun without exploding in a
massive thermonuclear blast.
That rule, known as the "Chandrasekhar Limit," has served as the foundation
of decades of astrophysical research and helped scientists estimate the size
of the universe.
But a team of astronomers said on Wednesday that they have found a supernova
in a galaxy 4 billion light years away that reached a mass twice that of the
sun before exploding.
"It should not be possible to break this limit but nature has found a way,"
said Andy Howell, the University of Toronto researcher who discovered the
supernova.
"Now we have to figure out how nature did it," Howell said in a statement.
<end quote>
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