Thursday, January 14, 2010

Exotic Stars May Mimic big Bang

'Electroweak' stars may recreate the conditions of the big bang in an apple-sized region in their cores (Illustration: Casey Reed, courtesy of Penn State)

From New Scientist:

A new class of star may recreate the conditions of the big bang in its incredibly dense core.

Pack matter tightly enough and gravity will cause it to implode into a black hole. Neutron stars were once thought to be the densest form of matter that could resist such a collapse. More recently, physicists have argued that some supernovae may leave behind even denser quark stars, in which neutrons dissolve into their constituent quarks.

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