5 years ago
Three zombie stars on the run
Astronomers have discovered three peculiar runaway stars that have apparently survived cataclysmic explosions at their cores. A white dwarf is an ageing star that has burned through its original fuel. Under certain conditions, a white dwarf’s burnt-out core re-ignites; the core’s subsequent explosion is known as a supernova. Some stars are thought to survive these explosions to become so-called zombie stars.
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