Why did all the planet-forming dust around this star disappear in only three years? [Space]
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Why did all the planet-forming dust around this star disappear in only three years? [Space]

San Diego : CA : USA | Jul 05, 2012 at 7:15 PM PDT
Source: io9
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Back in 1983, astronomers discovered a star 450 light-years away that was surrounded by a cloud of dust a textbook example of a solar system in the making. Now, nearly thirty years later, the cloud has suddenly and mysteriously disappeared. This discovery could mean that everything we thought we knew... FULL ARTICLE AT io9
 
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