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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.
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).
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It was discovered by the Italian-born French astronomer Gian Domenico Cassini in 1671 and named for one of the Titan s of Greek mythology. Iapetus has a radius of 718 km (446 miles) and orbits Saturn once every 79.3 Earth days at a distance of 3,561,300 km (2,212,900 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 Moon Profile
Jun 27, 2016 · Iapetus is the third-largest moon orbiting Saturn, with a diameter of 914 miles (1,471.2 km). Although its radius is about two-fifths that of Earth's moon, its icy composition means that it...
The Iapetus Ocean existed in the Neo proterozoic and Palaeozoic eras (between 600 and 400 million years ago). The ocean was in the southern hemisphere, between three paleocontinents. The ocean disappeared when these three continents joined to form one big landmass. [2] .
