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News Release Archive:

News Release 481 of 947

July 10, 2003 02:00 PM (EDT)

News Release Number: STScI-2003-19

Oldest Known Planet Identified

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Video: Gas Collapse Model of Planet Formation

Running Time: 15 seconds

An animation showing the theory of a gas collapse model of planet formation. A protoplanetary disk of gas and dust forms around a young star. Gravitational disk instabilities form a clump of gas that becomes a self-gravitating planet. Dust grains coagulate and sediment to the center of the protoplanet, forming a core. The planet sweeps out a wide gap as it continues to feed on gas in the disk.

Video Credit: NASA, L. Barranger, and A. Feild (STScI)

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