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I removed:

This leaves only the core, which is not producing any heat via nuclear fusion. As a result there is nothing to stop gravity collapsing the core down to a very small size (~10km). At this point the electrons in the core are so closely packed that quantum effects provide a counter force and the core stabilizes.
The resulting white dwarf is extremely hot and dense, although not as dense as neutron stars or black holes. Because they contain only residual heat from the stellar lifetime, white dwarfs eventually cool to become black dwarfs. {{incite}}

While factual and probably somehow relevant, the above gets into a lot of detail that can be found in the associated wikipedia article. --Alan del Beccio 22:36, 4 January 2008 (UTC)

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