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An image of the Kepler supernova remnant, taken in three wavelengths: visible (yellow; Hubble), infrared (red; Spitzer), and X-ray (blue; Chandra). New analyses of the X-ray images allow scientists to determine the most probable distance to the object: about twenty-one thousand light-years.
Credit: NASA Chandra/Spitzer/Hubble
Low Resolution Image (jpg)
Credit: NASA Chandra/Spitzer/Hubble
Low Resolution Image (jpg)
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