Pegasus: A constellation in the northern sky, named after the winged horse in Greek mythology. It contains many notable stars, such as Enif, Scheat, and Markab, and asterisms, such as the Square of Pegasus.
Pegasus Mythology: The origin and stories of Pegasus in various cultures, such as Greek, Babylonian, Persian, Chinese, Hindu, and Warrau. Pegasus was born from the blood of Medusa and became the mount of Bellerophon, who slew the Chimera.
Pegasus Exoplanets: The discovery and characteristics of exoplanets orbiting stars in Pegasus, such as 51 Pegasi, the first Sun-like star with an exoplanet, and HR 8799, the first star with directly imaged exoplanets.
Pegasus Galaxies: The observation and features of galaxies and other celestial objects in Pegasus, such as Einstein's Cross, a quasar lensed by a foreground galaxy, and Stephan's Quintet, a group of interacting galaxies.
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