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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 (913 mi), 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.
Saturn's third largest moon, Iapetus has a mean radius of 457 miles (736 kilometers) and a density only 1.2 times that of liquid water. It has been suggested that Iapetus (like Rhea) is three quarters ice and one quarter rock.
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.
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...
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 the eleventh-largest moon in the solar system. Its size is already interesting but what makes this astronomical body more exciting is the stark difference in its color. Some of its parts are bright while some are dark, making it look like the yin-yang symbol!
Mar 23, 2008 · Iapetus (1,468 kilometers, or 912 miles across) is the only major moon of Saturn with a significant inclination to its orbit. While on final approach for its September 2007 close encounter with Saturn’s moon Iapetus, Cassini spun around to take in a sweeping view of the Saturn System.
