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<p>of a massive star's <a href="page.php?w=stellar_core">core</a>.<br/>
* In the re-ignition of a white dwarf, the object's temperature is raised enough to trigger <a href="page.php?w=Thermal_runaway">runaway</a> nuclear fusion, completely disrupting the star. Possible causes are an accumulation of material from a <a href="page.php?w=Binary_star">binary companion</a> through <a href="page.php?w=Accretion_%28astrophysics%29">accretion</a>, or by a <a href="page.php?w=stellar_merger">stellar merger</a>.<br/>
* In the case of a massive star's sudden</p><p>
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