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Watery Asteroid Around Dying Star

exoplanets asteroids white dwarfs gd 61

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#1    Waspie_Dwarf

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Posted 10 October 2013 - 07:12 PM

Watery Asteroid Discovered in Dying Star Points to Habitable Exoplanets


W. M. Keck Observatory said:

Kamuela, HI -- Astronomers have found the shattered remains of an asteroid that contained huge amounts of water orbiting an exhausted star, or white dwarf. This suggests that the star GD 61 and its planetary system – located about 150 light years away and at the end of its life – had the potential to contain Earth-like exoplanets.

The new research findings used data collected from NASA’s Hubble Space Telescope, both of W. M. Keck Observatory’s Keck I and Keck II telescopes, as well NASA’s FUSE telescope, and are reported today in the journal Science.

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