A false-colour image of Cassiopeia A, this supernova remnant is located 10,000 light-years away in the constellation Cassiopeia

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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 21st, archival, archive, astronomy, cassiopeia, century, colour, constellation, false, false-colour, historical, history, image, nasa, science, space, spitzer, supernova, telescope