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Ultraviolet Light, Not Just Planets, Can Create Disk Patterns Around Stars

Kuchner and Wladimir Lyra, an astronomy professor at California State University, Northridge, and research associate at NASA’s Jet Propulsion Laboratory in Pasadena, California, proposed in 2013 that PeI could explain why rings seen in some disks were narrow, and also predicted the presence of incomplete rings in some disks. These arcs were first directly observed three years later.

http://www.ibtimes.com/ultraviolet-light-not-just-planets-can-create-disk-patterns-around-stars-2640852

International Business Times

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