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Exoplanet Building Blocks Found around White Dwarfs

14 May 2013, 21:40 UTC
Exoplanet Building Blocks Found around White Dwarfs
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Silicon-rich rocky material was found around white dwarfs in the Hyades star cluster by the Hubble Space Telescope, despite the fact that almost no known planets exist in star clusters. John Matson...

-- Read more on ScientificAmerican.com

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