Rings 2 (IMAGE)

Rice University

Rings 2

Caption

An ALMA image of the star HD 163296 and its protoplanetary disk as seen in dust. New observations suggested that two planets, each about the size of Saturn, are in orbit around the star. These planets, which are not yet fully formed, revealed themselves in the dual imprint they left in both the dust and the gas portions of the star's protoplanetary disk.

Credit

ALMA (ESO/NAOJ/NRAO), Andrea Isella, B. Saxton (NRAO/AUI/NSF)

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