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Astronomers detect signs of an atmosphere stripped from a planet during giant impact

20 Oct 2021, 15:00 UTC
Astronomers detect signs of an atmosphere stripped from a planet during giant impact Mark A. Garlick

Young planetary systems generally experience extreme growing pains, as infant bodies collide and fuse to form progressively larger planets. In our own solar system, the Earth and moon are thought to be products of this type of giant impact. Astronomers surmise that such smashups should be commonplace in early systems, but they have been difficult to observe around other stars.

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