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.
Topics: Technology Internet, Comet Lulin, Comet, Science, Ray Telescope, National Aeronautics and Space Administration, Sun, X-ray astronomy, Optical telescope