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.

Question

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.

anonymous · Answer

A

anonymous · Answer

It is A because in order for a white dwarf to become black dwarf it has to be in the white dwarf state for more than 13.6 billion old and that's the age of universe right now so that can't be it.