Planets and their Remnants around White Dwarfs

The Sun’s future? The white dwarf G29-38 (NASA)

While supernovae are the most dramatic death of stars, 95% of stars will end their lives in a far more quiet fashion, first swelling up to a red giant (perhaps a few times for good measure) before slowly releasing their outer layers into a planetary nebula and fading away as a white dwarf. This is the fate of our own sun which will expand nearly to the orbit of Mars. Mercury, Venus, and Earth will be completely consumed. But what will happen to the rest of the planets in the system?(…) Read the rest of Planets and their Remnants around White Dwarfs (664 words)

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(C) jvois for Universe Today, 2010. | Permalink | One comment | Add to Post

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