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Cressida, in astronomy
(Encyclopedia)Cressida, in astronomy, one of the natural satellites, or moons, of Uranus. ...corona, in astronomy
(Encyclopedia)corona, luminous envelope surrounding the sun, outside the chromosphere. Its density is less than one billionth that of the earth's atmosphere. The corona is visible only at the time of totality durin...Algol, in astronomy
(Encyclopedia)Algol ălˈgŏl [key], famous variable star in the constellation Perseus; Bayer designation β Persei; 1992 position R.A. 3h07.7m, Dec. +40°55′. Algol's variation in apparent magnitude, from 2.06 t...Dione, in astronomy
(Encyclopedia)Dione dīōˈnē [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn IV (or S4), Dione is 695 mi (1,120 km) in diameter, orbits Saturn at a mean distanc...Charon, in astronomy
(Encyclopedia)Charon, in astronomy, the natural satellite, or moon, of Pluto. ...Ganymede, in astronomy
(Encyclopedia)Ganymede gănˈēmēdˌ [key], in astronomy, one of the moons, or natural satellites, of Jupiter; the largest natural satellite in the solar system, it is larger than the planet Mercury. ...Galatea, in astronomy
(Encyclopedia)Galatea, in astronomy, one of the natural satellites, or moons, of Neptune. ...Hercules, in astronomy
(Encyclopedia)Hercules hûrˈkyəlēzˌ [key], in astronomy, northern constellation located between Lyra and Corona Borealis. It is traditionally depicted as the hero Hercules in a kneeling position. There are no v...Hermes, in astronomy
(Encyclopedia)Hermes, in astronomy: see asteroid. ...Hidalgo, in astronomy
(Encyclopedia)Hidalgo hĭdălˈgō [key], in astronomy: see asteroid. ...Browse by Subject
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