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Pegasus, in astronomy

(Encyclopedia)Pegasus pĕgˈəsəs [key], 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 b...

Perseus, in astronomy

(Encyclopedia)Perseus, in astronomy, northern constellation lying E of Cassiopeia and N of Taurus. It contains the bright star Mirfak (Alpha Persei) and Algol (Beta Persei), a visible variable star of the type know...

Venus, in astronomy

(Encyclopedia)Venus, in astronomy, 2d planet from the sun; it is often called the evening star or morning star and is brighter than any object in the sky except the sun and the moon. Because its orbit lies between ...

Vesta, in astronomy

(Encyclopedia)Vesta vĕsˈtə [key], in astronomy, the fourth asteroid to be discovered. It was found in 1807 by H. Olbers. It is the third largest asteroid in size, with a diameter of c.326 mi (525 km). Its averag...

Oberon

(Encyclopedia)Oberon ōˈbərŏnˌ [key], in astronomy, one of the moons, or natural satellites, of Uranus. ...

Sycorax

(Encyclopedia)Sycorax sĭkˈərăksˌ [key], in astronomy, one of the natural satellites, or moons, of Uranus. ...

Umbriel

(Encyclopedia)Umbriel ŭmˈbrēĕlˌ [key], in astronomy, one of the moons, or natural satellites, of Uranus. ...

Portia

(Encyclopedia)Portia pôrˈshə [key], in astronomy, one of the natural satellites, or moons, of Uranus. ...

Titania

(Encyclopedia)Titania tĭtāˈnēə [key], in astronomy, largest of the known moons, or natural satellites, of Uranus. ...

Rosalind

(Encyclopedia)Rosalind rŏzˈəlĭndˌ, rōˈzə– [key], in astronomy, one of the natural satellites, or moons, of Uranus. ...