澳门永利

Quark star may hold secret to early universe

作者:折号    发布时间:2019-03-09 03:18:02    

By Paul Parsons A NEW kind of star may be lurking in the debris from a nearby supernova explosion. If confirmed, the “quark star” could offer fresh insights into the earliest moments of the universe. When supernovae explode, they leave behind either a black hole or a dense remnant called a neutron star. However, recent calculations suggest a third possibility: a quark star, which forms when the pressure falls just short of creating a black hole. Astronomers believe these form after the neutron star stage,

 

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