Last updated on April 18, 2014 at 21:21 EDT
NASAs Swift Spies Comet Lulin
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NASA's Swift Spies Comet Lulin

February 22, 2009
This image of Comet Lulin taken Jan. 28 merges data acquired by Swift's Ultraviolet/Optical Telescope (blue and green) and X-Ray Telescope (red). At the time of the observation, the comet was 99.5 million miles from Earth and 115.3 million miles from the sun.