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White dwarfs

SpaceThe universe will end much sooner than previously predicted, new model finds

A new calculation puts white dwarf evaporation at roughly 10^78 years if a proposed form of gravitational particle production occurs.

Joseph Shavit
DiscoveriesWhite dwarf’s intense gravity rips asteroids apart without grinding them into fine dustJoshua Shavit
SpaceTwo rings around a white dwarf offer a glimpse of our Solar System’s possible futureJoseph Shavit
SpaceA white dwarf’s unusual atmosphere gives it a ghostly green glowJoseph Shavit
SpaceAstronomers discover a ‘phoenix planet’ reborn from the ashes of a dead starJoseph Shavit
SpaceAstronomers discover four nearby white dwarfs hiding in plain sightJoshua Shavit
SpaceGamma Cassiopeiae may be hiding a magnetic white dwarf companionJoseph Shavit
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