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New way to weigh a white dwarf:Use the Hubble Space Telescope
white dwarf Hubble Space Telescope
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2017/7/21
Astronomers have used, for the first time, a novel method to determine the mass of a nearby dead star. The star is a "white dwarf," the shrunken corpse of a star like our sun after it has burned up it...
Amateur astronomers help keep tabs on White Dwarf overdue for massive starquake
White Dwarf
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2007/5/23
22 May 2007，Researchers at the University of Warwick have enlisted a world wide team of amateur/semi-professional astronomers to keep watch on one of the fastest spinning white dwarf stars ever found....