2012
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Saturday, 13. April 2002

Very strange new stars


Chandra's observations of RXJ1856.5-3754 and 3C58 suggest the matter in the two stars is even denser than nuclear matter found on Earth. This raises the possibility these stars are composed of pure quarks or contain crystals of sub-nuclear particles that normally have only a fleeting existence following high-energy collisions.
Previously, the most dense stars were neutron stars. A teaspoonful of neutron star material weighs a billion tons, as much as all the cars, trucks and buses on Earth.

More at BBC, VOA, Newsday, Yahoo, CNN and Cosmiverse


 
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