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The interior of a planetary nebula glows in radient colors January 9, 2001 in an image taken by NASA's Chandra X-ray Observatory. Astronomers unexpectedly found a central star in the late stages of life emitting powerful X-ray energy. The X-ray observations of the Cat's Eye Nebula reveal a hot gas cloud around a bright star, which is shedding its material and is expected to collapse into a white dwarf in several million years. (Photo by NASA/Newsmakers)
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