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Leda, in astronomy

(Encyclopedia)Leda lēˈdə [key], in astronomy, one of the 39 known moons, or natural satellites, of Jupiter. ...

Callisto, in astronomy

(Encyclopedia)Callisto kəlĭsˈtō [key], in astronomy, one of the 39 known moons, or natural satellites, of Jupiter. ...

Fates

(Encyclopedia)Fates, in Greek religion and mythology, three goddesses who controlled human lives; also called the Moerae or Moirai. They were: Clotho, who spun the web of life; Lachesis, who measured its length; an...

Vishniac, Roman

(Encyclopedia)Vishniac, Roman vĭshˈnēăk [key], 1897–1990, Russian-American biologist, photographer, linguist, art historian, and philosopher, b. Pavlosk, near St. Petersburg. Vishniac took degrees in medicine...

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. ...

Jakobson, Roman

(Encyclopedia)Jakobson, Roman rəmänˈ yäkˈôbsən [key], 1896–1982, Russian-American linguist and literary critic, b. Moscow. He coined the term structural linguistics and stressed that the aim of historical ...

Europa, in astronomy

(Encyclopedia)Europa yo͝orōˈpə [key], in astronomy, one of the 39 known moons, or natural satellites, of Jupiter. Magnetic-field data collected by the space probe Galileo in 2002 strongly indicated a liquid-wat...

Neptune, in astronomy

(Encyclopedia)Neptune, in astronomy, 8th planet from the sun at a mean distance of about 2.8 billion mi (4.5 billion km) with an orbit lying between those of Uranus and the dwarf planet Pluto; its period of revolut...

Roman Empire

(Encyclopedia)Roman Empire: see Rome; Byzantine Empire; Holy Roman Empire. ...

Polanski, Roman

(Encyclopedia)Polanski, Roman, 1933–, Polish-French film director, b. Paris. His family returned to Kraków, Poland, when he was three. His parents were imprisoned in Nazi concentration camps and his mother died ...