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Triton(trīt`ən), in astronomy, innermost and largest of the eight known moons, or natural satellites, of NeptuneNeptune,
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 revolution is about 165 years.
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Triton,in Greek mythology, son of Poseidon. He was a creature of the sea, the upper half of his body being human, the lower fishlike. Later legends speak of many Tritons, sometimes described as riding over the sea on horses. Tritons characteristically blew trumpets of conch shells.
The nucleus of 21H (tritium); it is the only known radioactive nuclide belonging to hydrogen. The triton is produced in nuclear reactors by neutron absorption in deuterium (21H + 10n → + + γ), and decays by β- emission to 32H with a half-life of 12.4 years. Much of the interest in producing 31H arises from the fact that the fusion reaction 31H + 11H → 42H releases about 20 MeV of energy. Tritons are also used as projectiles in nuclear bombardment experiments. See Nuclear reaction
Triton(trÿ -ton) The largest satellite of Neptune, discovered in 1846 by William Lassell. It has a retrograde orbit and is gradually spiraling in toward Neptune. In about 100 million years it will be inside Neptune's Roche limit. Triton is very cold, with a surface temperature of only 37 K, and possesses a tenuous atmosphere mostly of nitrogen, but with some methane and traces of carbon monoxide. It has a pinkish south polar cap, probably a layer of nitrogen snow and ice. Extensively photographed in 1989 by Voyager 2, Triton shows an extremely complex surface. Its largest crater is 27 km in diameter, it has no mountains, but it has long cracks up to 80 km wide. It also has a ‘wrinkled’ terrain resembling the skin of a cantaloupe melon, and nitrogen geysers reaching 8 km high. See also Neptune's satellites; Table 2, backmatter.
a satellite of the planet Neptune. Triton’s diameter is about 4,000 km, and its mean distance from the center of Neptune is 354,000 km. Triton was discovered in 1846 by the English astronomer W. Lassell. It revolves around Neptune in the retrograde direction, that is, in the direction opposite to that of the planet’s rotation.
the nucleus of an atom of tritium, a radioactive isotope of hydrogen. The symbol for a triton is t. A tritón consists of three nucleons, namely, one proton and two neutrons. It has a mass of 3.01646 atomic mass units, a spin of 1/2 (in units of h), and a magnetic moment of 2.979 nuclear magnetons. The mean binding energy of the nucleons is 2.78 million electron volts.
The Triton I chipset (official name 82430FX) consists of 4 chips: one 82437FX TSC (Triton Sysetm Controller), two 82438FX TDP (Triton Data Path), and one 82371FB PIIX (PCI IDE Xcellerator). It supports PB Cache, EDO DRAM, and a maximum PCI and memory burst data transfer rate of 100 megabytes per second.
There are also Moble Triton (82430MX), Triton II (82430HX), and the Triton VX (82430VX) chip sets.