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- Iapetus (/ aɪˈæpətəs /) is the outermost of Saturn's large moons. With an estimated diameter of 1,469 km, it is the third-largest moon of Saturn and the eleventh-largest in the Solar System.
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The moon always presents the same face toward Saturn. With its distant, inclined orbit, Iapetus is the only large moon from which there is a nice view of the rings of Saturn. As with some other Saturnian moons, Iapetus is in resonance with Saturn's largest moon, Titan, which orbits at 759,200 miles (1,221,850 kilometers).
Atlas, Prometheus, Epimetheus, Menoetius, Anchiale, Buphagus. In Greek mythology, Iapetus ( / aɪˈæpɪtəs /; eye-AP-ih-təs; [1] Ancient Greek: Ἰαπετός, romanized : Iapetós ), [2] also Japetus, is a Titan, the son of Uranus and Gaia [3] and father of Atlas, Prometheus, Epimetheus, and Menoetius.
Iapetus (/ aɪ ˈ æ p ə t ə s /) is the outermost of Saturn's large moons. With an estimated diameter of 1,469 km, it is the third-largest moon of Saturn and the eleventh-largest in the Solar System. Named after the Titan Iapetus, the moon was discovered in 1671 by Giovanni Domenico Cassini.
- 3.26 km/s
- Saturn
- 6700000 km²
Iapetus, outermost of Saturn’s major regular moons, extraordinary because of its great contrast in surface brightness. It was discovered by the Italian-born French astronomer Gian Domenico Cassini in 1671 and named for one of the Titans of Greek mythology. Iapetus has a radius of 718 km (446 miles)
Iapetus is an oddly-coloured and shaped moon of Saturn. It is the third-largest moon in the system, and was discovered in 1671 by the astronomer Giovanni Domenico Cassini. Iapetus Diagrams. Iapetus size compared to the Moon and Earth.
Dec 17, 2004 · Iapetus. solar system. The leading hemisphere of Iapetus (the side that faces the. the sunlight that falls on it. The trailing hemisphere reflects about 50. percent of the sunlight that falls on it. One hemisphere of Iapetus is covered with very reflective material while the other hemisphere is covered with some of the darkest material in the ...
noun. Iap· e· tus ī-ˈa-pə-təs. astronomy. : the third largest satellite of Saturn with a diameter of approximately 890 miles (1440 km) Ever since J.D. Cassini discovered the object in 1671, astronomers have puzzled over why Iapetus ' leading hemisphere (facing forward along its orbit) is dark and its trailing one bright. J.
