NASA's Spitzer Space Telescope has imaged a three-body planetary system surrounding the star HR 8799 that shows evidence of a cloud of fine dust kicked up by collisions among smaller bodies, possibly showing a system still in formation with planets yet to have settled into stable orbits.
Monday, November 9, 2009
Chaotic Planetary System
NASA's Spitzer Space Telescope has imaged a three-body planetary system surrounding the star HR 8799 that shows evidence of a cloud of fine dust kicked up by collisions among smaller bodies, possibly showing a system still in formation with planets yet to have settled into stable orbits.
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