Could our Sun ever undergo a nova or white dwarf supernova event? Why or why not?

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Apr 17, 2016

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No, our sun can't go nova or supernova.

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Our sun is too small to go nova or supernova. It will ultimately enter a red giant stage and then collapse as a white dwarf. It would need to be at least eight times more massive to nova.

For the sun to be involved in a white dwarf supernova explosion it would need to have a close binary companion which it doesn't have. A white dwarf needs a close red giant companion from which it can acquire sufficient material to collapse and to explode as a supernova.

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