Image Shows a Humongous Amount of Dust, Revealing How Planets Form | Discover Magazine

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Planets form from dust and gas. But how, exactly? Under the more popular accretion model, they accrete over millions of years as one particle collides with another.

Under the not-so-popular gravitational instability model, something more decisive occurs. Dust and fragments gather in an area until they undergo a kind of gravitational collapse.

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Publisher: Discover Magazine
Twitter: @DiscoverMag
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