Read more: http://www.newscientist.com/article/dn16033?DCMP=youtube A ring of dust surrounds the star Fomalhaut. Images taken with the Hubble Space Telescope in 2004 and 2006 show that a white dot just inside the dust ring moved in the intervening two years. Researchers believe the dot is a planet that weighs no more than 3 Jupiter masses and lies about three times as far from its star as Pluto does from the Sun (Courtesy of Paul Kalas/UC Berkeley)
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