Swift observatory catches asteroid flyby (w/ video)
Friday, November 11, 2011 - 14:31
in Astronomy & Space
(PhysOrg.com) -- As asteroid 2005 YU55 swept past Earth in the early morning hours of Wednesday, Nov. 9, telescopes aboard NASA's Swift satellite joined professional and amateur astronomers around the globe in monitoring the fast-moving space rock. The unique ultraviolet data will aid scientists in understanding the asteroid's surface composition.