May 13, 2013
Discovery Made About 150 Light-Years From Earth The Hubble Space Telescope has found the building blocks for Earth-sized planets in an unlikely place -- the atmospheres of a pair of burned-out stars called white dwarfs. These dead stars are located 150 light-years from Earth in a relatively young star cluster, Hyades, in the constellation Taurus. The star cluster is only 625 million years old. The white dwarfs are being polluted by asteroid-like debris falling onto them.
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