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5 votes
1 answer
137 views

Required temperature for a nova

On the wikipedia page of the nova is said that the CNO cyle, which converts hydrogen into helium, starts on the surface of the white dwarf when the temperature reaches about 20 million K. My question ...
jack_O'Dim's user avatar
6 votes
1 answer
239 views

Why does a white dwarf sometimes go 'nova' and sometimes supernova (type 1a)?

Obviously, when a white dwarf goes truly supernova, there is nothing left, not even, I have heard, a neutron star or black hole... But when certain white dwarf stars accrete certain amounts or types ...
Kurt Hikes's user avatar
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