black dwarf
An Astrophysicist Calculated the Last Big Explosions Before the Universe Dies
The last supernovas before the universe dies in a heat death will be twice-dead ancient relics on a mind-boggling time scale, according to astrophysicist Matt Caplan.
This Dying Star Is One of the Most Massive White Dwarfs Ever Discovered
And as far as scientists know, there's only one star like it in the Andromeda Galaxy.
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