(Encyclopedia) PaduaPaduapădˈy&oomacr;ə [key], Ital. Padova, city (1991 pop. 215,137), capital of Padova prov., in Venetia, NE Italy, connected by canal with the Brenta, Adige, and Po rivers. It…
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Science and religion have roundly denounced it for hundred of years, yet it finds its way into newspapers, movie studios—even the White House. What makes Astrology so compelling? by…
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Discover timelines, data, slideshows, and features about space exploration, telescopes, the Columbia Disaster, Apollo 11, and more.
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Callisto, 2,400 mi (4,800 km) in diameter, is the outermost and, apparently, the least geologically active of Jupiter's four major satellites. Its density is less than twice that of water.…
Destination: Saturn. Launched: Oct. 15, 1997. Arrival: July 1, 2004. Mission: To orbit Saturn for four years. The Cassini-Huygens mission is named for the Italian-French astronomer Jean…
Recapping RelativityTheories of the UniverseCracks in a Newtonian WorldFaster Than a Speeding Light WaveIt All Depends on Your PositionThe Relative Nature of Space and TimeGeological TimeHow Can You…
Michael GambonactorBorn: Oct. 19, 1940Birthplace: Dublin Gambon joined Britain's National Theatre in 1963, and made his first film appearance in the 1965 Olivier Othello. His notable stage…
Between the orbits of Mars and Jupiter are an estimated 30,000 pieces of rocky debris, known collectively as the asteroids, or planetoids. The first and largest, Ceres, was discovered Jan. 1…
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