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| Description: Stars appear to be fixed on a spherical shell (the celestial sphere) that surrounds Earth Configuration of stars named in honor of mythological characters or great heroes Today 88 constellations are recognized Constellations divide the sky into units, like state boundaries in the United States The brightest stars in a constellation are identified in order of their brightness by the letters of the Greek alphabet – alpha, beta, and so on Picture Stats: Views: 365 Filesize: 605.01kB Height: 718 Width: 686 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39653 |