Question

Describe a supernova and the formation of black holes and white dwarfs.​

Answer 1

Usually a very dense core is left behind, along with an expanding cloud of hot gas called a nebula. A supernova of a star more than about 10 times the size of our sun may leave behind the densest objects in the universe—black holes. ... A white dwarf is what's left after a star the size of our sun has run out of fuel

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