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University of Arizona: Astronomers Discover Elusive Planet Responsible for Spiral Arms Around Its Star
July 07, 2023
TUCSON, Arizona, July 7 (TNSjou) -- The University of Arizona issued the following news release:

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Scientists have long thought that spiral arms in protoplanetary disks could be caused by nascent planets, yet none had been detected until now.

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Depictions of the Milky Way show a coiling pattern of spiral "arms" filled with stars extending outward from the center. Similar patterns have been observed in the swirling clouds of ga . . .

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