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Ganymede

Ganymede (Jupiter III) One of the Galilean satellites, and the largest jovian satellite; it is bigger than Mercury and Pluto. It is believed to have a rock and metal core surrounded by a large mantle of water or water ice, 800–900 km thick, and the surface is of ice, with two types of terrain, one very cratered and dark, the other rather lighter, with many grooves and ridges. These terrains result from tectonic activity, but the details are not known. Both terrains are extensively cratered, the craters being flat, with no ring mountains and central depressions, and suggest the surface is about 3–3.5 Ma old. Ganymede has a magnetic field, embedded within that of Jupiter. Ganymede was discovered in 1610 by Simon Marius and Galileo. Its diameter is 5268 Km; mass 1.48 × 1023kg; mean density 1940kg/m3; visual albedo 0.42; mean distance from Jupiter 1.07 × 106km.

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Ganymede

Ganymede

Greek myths describe Ganymede as a handsome boy who was kidnapped by the gods to serve as a cupbearer on Mount Olympus*. Born in Troy*, where his father was king, Ganymede came to the attention of Zeus*, who was captivated by his appearance. In some stories, it is Zeus disguised as an eagleor an eagle sent by Zeuswho seizes the boy and carries him up to the home of the gods.

In return for his son, Ganymede's father received a group of immortal horses from Zeus. Some versions of the tale say that the gift was a vine made of gold. Later Zeus placed Ganymede in the sky in the constellation Aquarius. Images of Ganymede sometimes show him carrying a cup or accompanied by an eagle.

See also Zeus.

immortal able to live forever

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Ganymede (in astronomy)

Ganymede (găn´ēmēd´), 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.

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Ganymede

Ganymede Largest of Jupiter's Galilean satellites, with a diameter of 5262km (3270mi). Its cratered terrain is covered with grooves suggesting recent geological activity.

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Ganymede (in Greek mythology)

Ganymede, in Greek mythology, a youth of great beauty. He was carried off by Zeus to be cupbearer to the gods.

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Ganymede

Ganymede in Greek mythology, a Trojan youth who was so beautiful that he was carried off to be Zeus' cup-bearer.

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Ganymede

Ganymedeaccede, bead, Bede, bleed, breed, cede, concede, creed, deed, Eid, exceed, feed, Gide, God speed, greed, he'd, heed, impede, interbreed, intercede, Jamshid, knead, lead, mead, Mede, meed, misdeed, mislead, misread, need, plead, proceed, read, rede, reed, Reid, retrocede, screed, secede, seed, she'd, speed, stampede, steed, succeed, supersede, Swede, tweed, weak-kneed, we'd, weed •breastfeed • greenfeed • dripfeed •chickenfeed • spoonfeed • nosebleed •Nibelungenlied • invalid • Ganymede •Runnymede • airspeed • millipede •velocipede • centipede • Siegfried •filigreed • copyread • crossbreed •proofread • flaxseed • hayseed •rapeseed • linseed • pumpkinseed •aniseed • oilseed • birdseed • ragweed •knapweed • seaweed • chickweed •stinkweed • blanket weed • bindweed •pondweed • duckweed • tumbleweed •fireweed • waterweed • silverweed

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