Iris Nebula, NGC 7023, Caldwell 4

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Photo credit: © Science History Images / Alamy / Afripics
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Model Released: No

Keywords: 2000s, 21st, 4, 29, 2009, 29th, 7023, astronomy, august, body, caldwell, celestial, century, cloud, deep, formation, interstellar, iris, nebula, ngc, object, science, sky, space, star