Columbia Encyclopedia

Search results

500 results found

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...

Enceladus

(Encyclopedia)Enceladus ĕnsĕlˈədəs [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn II (or S2), Enceladus is 310 mi (500 km) in diameter, orbits Saturn at a m...

Hubble, Edwin Powell

(Encyclopedia)Hubble, Edwin Powell, 1889–1953, American astronomer, b. Marshfield, Mo. He did research (1914–17) at Yerkes Observatory, and joined (1919) the staff of Mt. Wilson Observatory, Pasadena, Calif., o...

Janus, in astronomy

(Encyclopedia)Janus jāˈnəs [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn X (or S10), Janus is an irregularly shaped (nonspherical) body measuring about 122 m...

naiads

(Encyclopedia)naiads, in Greek mythology: see nymph. ...

Apollo Belvedere

(Encyclopedia)Apollo Belvedere: see Apollo, in Greek religion. ...

Achilles

(Encyclopedia)Achilles əkĭlˈēz [key], in Greek mythology, foremost Greek hero of the Trojan War, son of Peleus and Thetis. He was a formidable warrior, possessing fierce and uncontrollable anger. Thetis, knowin...

Esther

(Encyclopedia)Esther ĕsˈtər [key], book of the Bible. It is the tale of the beautiful Jewish woman Esther [Heb.,= Hadassah], who is chosen as queen by the Persian King Ahasuerus (Xerxes I or II) after he has rep...

Hesiod

(Encyclopedia)Hesiod hēˈsēəd, hĕsˈ– [key], fl. 8th cent.? b.c., Greek poet. He is thought to have lived later than Homer, but there is no absolute certainty about the dates of his life. Hesiod portrays hims...

Bactria

(Encyclopedia)Bactria băkˈtrēə [key], ancient Greek kingdom in central Asia. Its capital was Bactra, present-day Balkh in N Afghanistan. Before the Greek conquest, the region was an eastern province of the Pers...