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Planet-Forming Disk Vanishes Into Thin Air

In less than 2 years, a star system's planet-forming disk just vanished -- and the same thing may have happened in our own solar system.
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Why is Earth so dry? Planet formed from rocky debris in hotter region, inside of solar system's 'snow line'

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A new analysis of the common accretion-disk model explaining how planets form in a debris disk around our Sun uncovered a possible reason for Earth's comparative dryness. The study found that our planet formed from rocky debris in a... Read Post

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