Sentences with phrase «ultradense stellar remnant»
A type Ia supernova arises from the explosion of an ultradense stellar remnant known as a white dwarf, but it is less than clear how the white dwarf comes to ignite in a thermonuclear blast.
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A firmer line of evidence for supernovae in Carina came from another researcher's 2009 identification of an ultradense stellar remnant called a neutron star there.