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Dione
Book article from: The Columbia Encyclopedia, Sixth Edition
Dione , in astronomy, one of the named moons...Saturn . Also known as Saturn IV (or S4), Dione is 695 mi (1,120 km) in diameter, orbits...Gian Domenico Cassini . Aside from Titan , Dione is the densest of Saturn's satellites...
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Helene
Book article from: The Columbia Encyclopedia, Sixth Edition
...ground-based observations of Saturn. Another moon, Dione , is co-orbital with Helene; that is, Helene orbits Saturn at the same distance as Dione but precedes Dione by about 60°. Before the present name was adopted...
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Aphrodite
Book article from: World Encyclopedia
...Aphrodite Greek goddess of love, beauty, and fruitfulness, identified by the Romans as Venus . She was the daughter of Zeus and Dione. Her husband was Hephaestus (in Roman mythology, Vulcan ). Among her many lovers were Ares , Adonis (whose death left her...
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Oceanus
Book article from: The Columbia Encyclopedia, Sixth Edition
...Uranus and Gaea, the husband of Tethys, and the father of the river-gods and the sea nymphs (or oceanids). He was conceived of as a powerful but kindly old man. Some legends say that Dione was also the daughter of Oceanus and Tethys.
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Enceladus
Book article from: The Columbia Encyclopedia, Sixth Edition
...periods. The fresh surface suggests relatively recent volcanism, caused perhaps by tidal forces exerted by Saturn and the moon Dione , with which Enceladus forms a satellite pair (that is, they interact gravitationally). In 2005 the space probe Cassini...
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Dodona
Book article from: The Columbia Encyclopedia, Sixth Edition
Dodona , in Greek religion, the oldest oracle , in inland Epirus, near modern Janina, sacred to Zeus and Dione. According to Herodotus, an old oak tree there became an oracle when a black dove, from Egyptian Thebes, settled on it. Priestesses...
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Cassini spacecraft
Encyclopedia entry from: The Gale Encyclopedia of Science
...prominent gap in Saturn ’ s main rings (what is called the Cassini Division), as well as the icy moons Iapetus, Rhea, Dione, and Tethys. Dutch scientist Christiann Huygens (1629 – 1695) discovered Saturn ’ s rings and, in 1655...
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Herbicides
Encyclopedia entry from: The Gale Encyclopedia of Science
...methylpropionitrile]; hexazinone [3-Cyclohexyl-6-(dimethyl-amino)-1-methyl-1,3,5-triazine-2,4(1H,3H)-dione]; metribuzin [4-Amino-6-tert-butyl-3-(methylthio)-as-triazin-5(4H)-one]; and simazine [2-chloro...
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Zeus
Book article from: The Columbia Encyclopedia, Sixth Edition
...went to Hades, the sea to Poseidon, and the heavens and earth to Zeus. Zeus was an amorous god. His first mate was probably Dione, but his official consort was his sister, Hera, who bore him Ares and Hebe. Zeus also loved Themis, Eurynome, Demeter...
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Caffeine
Encyclopedia entry from: The Gale Encyclopedia of Science
...of moderate amounts. Caffeine ’ s chemical name is 3,7-dihydro-1,3,7-trimethyl-1H-purine-2, 6-dione. It is also known as theine, methyl theobromine, and 1,3,7-trimethylxanthine. Its molecular formula is C 8 H 10 N...
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