Cassiopeia A

Credit: 2MASS; Infrared Processing and Analysis Center; Caltech; University of Massachusettes · Download full size image

Atlas Image mosaic, covering 6.0´ × 6.0´ on the sky, of the source Cassiopeia A. Cas A, for short, has a faint, ghostly shell-like appearance in the 2MASS image, with several brighter filaments. Cas A is now understood to be possibly the youngest supernova remnant in the Milky Way Galaxy! 1999 Aug 4-10 Posted on: 31 Mar, 2003

• Hubble Space Telescope
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