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192 results for: Pegasus
Dictionary Entries (10 more entries. View all »)
Dictionary.com Unabridged (v 1.1)Cite This Source
Peg·a·sus    Audio Help   [peg-uh-suhs] Pronunciation Key
–noun, genitive -si    Audio Help   [-sahy] Pronunciation Key for 2.
1.Classical Mythology. a winged horse, created from the blood of Medusa, that opened the spring of Hippocrene with a stroke of its hoof, and that carried Bellerophon in his attack on the Chimera.
2.Astronomy. the Winged Horse, a northern constellation between Cygnus and Aquarius.
—Related forms
Pe·ga·si·an    Audio Help   [puh-gey-see-uhn] Pronunciation Key, adjective
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopedia Articles (180 more entries. View all »)
Columbia Electronic EncyclopediaCite This Source


Pegasus, in astronomy, northern constellation lying SW of Andromeda and SE of Cygnus. It is named for the mythological winged horse Pegasus. The constellation is easily recognized by the Great Square formed by the bright stars Markab (Alpha Pegasi) at the southwest corner, Scheat (Beta Pegasi) at the northwest corner, Algenib (Gamma Pegasi) at the southeast corner, and Alpheratz in Andromeda at the northeast corner. The constellation reaches its highest point in the evening sky in October. In 1995 a planet at least half the size of Jupiter was discovered orbiting the star 51 Pegasus, which is about 40 light-years from the earth; this marked the first time a planet was detected orbiting a sunlike star outside the solar system. 
The Columbia Electronic Encyclopedia Copyright © 2004, Columbia University Press.
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