Motion of Gas Flow in Planetary Disk (IMAGE)

National Radio Astronomy Observatory

Motion of Gas Flow in Planetary Disk

Caption

Scientists measured the motion of gas (arrows) in a protoplanetary disk in three directions: rotating around the star, towards or away from the star, and up- or downwards in the disk. The insert shows a close-up of where a planet in orbit around the star pushes the gas and dust aside, opening a gap.

Credit

NRAO/AUI/NSF, B. Saxton

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