What is the exact mechanism by which an implosion of a dying star becomes an explosion?
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Explanation:
Theoretical studies indicate that most supernovae are triggered by one of two basic mechanisms: the sudden re-ignition of nuclear fusion in a degenerate star or the sudden gravitational collapse of a massive star's core.
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As the collapsing core increases in temperature and pressure, outward forces increase as well. For lower-mass stars (< 15 solar masses), this eventually stops the collapse.
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