Comet Lulin is seen in the early morning sky during this half-hour time exposure photographed with a 300 mm telephoto lens on Monday, Feb. 23, 2009, in Stedman, N.C. The lens tracked the comet during the exposure. This rendered background stars as short streaks. On Monday at 10:43 p.m. EST, Lulin will be 38 million miles from Earth, the closest it will ever get, according to Donald Yeomans, manager of NASA's Near Earth Object program.
(AP Photo/The Fayetteville Observer, Johnny Horne)
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