Hubble Telescope finds 2 dead stars that are "polluted"

05/10/2013 | Space.com

The Hubble Space Telescope has snapped pictures of two dead white dwarf stars that appear to be "polluted" with materials used to create other planets. Scientists at the University of Cambridge said the stars, in the Hyades star cluster, have large amounts of silicon in their atmosphere. That is the main building block for the rocky material that formed Earth.

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