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24
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2answers
6k views

Why do stars explode?

I always hear the narrator of documentaries say that a star exploded because it ran out of fuel. Usually things explode when they have too much fuel, not when they run out of fuel. Please explain...
4
votes
3answers
277 views

Can a black hole “supernova”?

In layman terms: nothing ever escapes the pull of a black hole, not even light when a super massive star reaches the end of it's life you get a supernova sometimes the "remains" of these stars can ...
0
votes
2answers
220 views

Supernova explosion nearby

A nearby star has crossed Chandrasekhar's limit. How do we come to know when it will undergo supernova explosion? Or has it already undergone supernova explosion?