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White dwarfs are what is left when stars like our sun have exhausted all of their fuel. They are dense, dim, stellar corpses — the last observable stage of evolution for low- and medium-mass stars. Whilst most massive stars will eventually go supernova, a low or medium mass star with a mass less than … Read more
Black holes may be well known for their gluttonous tendencies, but they’re not the only dead stars capable of slurping down passing objects. For years, evidence has been mounting that white dwarf stars also have a penchant for snacking – and on their own planets, no less. Now, for the first time, astronomers have … Read more
On the grand cosmic scale, our little corner of the Universe isn’t all that special – this idea lies at the heart of the Copernican principle. Yet there’s one major aspect about our planet that’s peculiar indeed: Our Sun is a yellow dwarf. Because our home star is what we know most intimately, it … Read more