PHOTOS: The Best of Hubble
The moon ushers in dawn: view from the international space station.
Final Frontier: Space Pictures From Far Reaches of the Universe
The Cat's Eye planetary nebula -- a dying star, with clouds of gas and debris around it. Astronomers have studied them in new detail, combining images from NASA's orbiting Chandra X-ray telescope and the Hubble space telescope. (X-ray: NASA/CXC/RIT/J.Kastner et al.; Optical: NASA/STScI)
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