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Alpheratz
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Alpheratz

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Andromeda constellation

  • Constellations of Andromeda and Triangulum (lower right) from Urania's Mirror (c. 1825) by Richard Rouse Bloxam. The constellation Gloria Frederici (upper left) is now part of Andromeda.
    In Andromeda

    The brightest star, Alpheratz (from the Arabic for “horse’s navel”; the star was once part of the constellation Pegasus), has a magnitude of 2.1. Its most notable feature is the great Andromeda Galaxy, one of the nearest galaxies to Earth and one of the few galaxies visible to…

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