Can a White Dwarf Explode

question 18

Multiple Choice

Can a white dwarf explode?

• A) Only if another star collides with it;stars are so far apart in space that this is unlikely ever to have happened in our Galaxy.
• B) Yes,but only if nuclear reactions in the white dwarf core reach the stage of silicon burning,producing iron.
• C) No,white dwarfs are held up by electron degeneracy pressure,and this configuration is stable against collapse or explosion.
• D) Yes,but only if it is in a binary star system.

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