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Selasa, 08 November 2011

Space Pictures This Week: Baby Planets, "Magic" Mirrors, More

A new picture of a gassy disk around a young star suggests that unseen planets may be forming about 456 light-years away. The near-infrared image of the star SAO 206462 was captured by the Subaru Telescope in Hawaii.
Astronomers think that planets are born in the disks of debris that circle young stars, but the material is often too dense to see newly forming worlds directly. (Related: "Three Theories of Planet Formation Busted, Expert Says.")
Previous models had suggested that a single embedded planet would produce a spiral arm on each side of such a disk. But the arms around SAO 206462 aren't exactly matched, hinting at the presence of two newborn worlds, one for each arm.

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