Cassiopeia (constellation) wikipedia - Search
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  1.  
  2. AbbreviationCas
    GenitiveCassiopeiae
    Symbolismthe Seated Queen
    Right ascension22ʰ 57ᵐ 04.5897ˢ–03ʰ 41ᵐ 14.0997ˢ
     A Stunning Sky Story
    A Stunning Sky Story
     How to Spot the W-shaped Constellation
    How to Spot the W-shaped Constellation
    Overview

    Cassiopeia (listen ) is a constellation and asterism in the northern sky named after the vain queen Cassiopeia, mother of Andromeda, in Greek mythology, who boasted about her unrivaled beauty. Cassiopei… See more

    Mythology

    The constellation is named after Cassiopeia, the queen of Aethiopia. Cassiopeia was the wife of King Cepheus of Aethiopia and mother of Princess Andromeda. Cepheus and Cassiopeia were placed nex… See more

    Characteristics

    Cassiopeia had a supernova, Cassiopeia A, SN 1572.
    Covering 598.4 square degrees and hence 1.451% of the sky, Cassiopeia ranks 25th of the 88 constellations in area. It is bordered by Cepheu… See more

    Features

    The German cartographer Johann Bayer used the Greek letters Alpha through Omega, and then A and B, to label the most prominent 26 stars in the constellation. Upsilon was later found to be two stars and labelled Up… See more

     
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