benfrog writes: "Scientists were recently baffled when a star's dust disappeared, but "now think that the vanishing fragments could [been] have used up in some superfast planet formation." Scientists first spotted the dust orbiting TYC 8241 2652 1 in the Scorpius-Centaurus stellar nursery in 1983, and weren't surprised to see it again 25 years later. It should take thousands if not millions of years to dissipate. However, it was gone in 2010. According to a study published in Nature (paywall), scientists now think that the dust may have been sucked up in a super-fast planet formation. Other theories are still valid, though--the star is too far away to see any new planet."
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