Physics, 03.02.2020 23:58 Justadumbemo

Which statement is true about black dwarfs?
a. none currently exist in the universe.
b. they are very hot and massive.
c. they burn brightly for only a few weeks or months.
d. they form after supernova explosions.

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Which statement is true about black dwarfs?
a. none currently exist in the universe.
b...