Which statement is true about black dwarfs?
ANone currently exist in the universe.
BThey are very hot and massive.
CThey burn brightly for only a few weeks or months.
DThey form after supernova explosions. ...?
ANone currently exist in the universe.
BThey are very hot and massive.
CThey burn brightly for only a few weeks or months.
DThey form after supernova explosions. ...?