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Iapetus. 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. He was also called the father of Buphagus [4] and Anchiale [5] in other sources.
Overview. Iapetus has been called the yin and yang of the Saturn moons because its leading hemisphere has a reflectivity (or albedo) as dark as coal (albedo 0.03-0.05 with a slight reddish tinge) and its trailing hemisphere is much brighter at 0.5-0.6. Saturn's third largest moon, Iapetus has a mean radius of 457 miles (736 kilometers) and a ...
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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.
- 3.26 km/s
- Saturn
- 6700000 km²
Iapetus has a bright and a dark hemisphere, with a ridge running along its equator. The dark region is called Cassini Regio and is the principal feature of the leading hemisphere. The surface of Iapetus is heavily cratered, with large impact basins up to 580 kilometres across. Surface darkening on Iapetus comes from organic materials left ...
The Origins of Iapetus. Iapetus is an elder Titan born from the primordial gods Uranus and Gaia. His parents were some of the first two beings to exist. According to “The Illiad” by Homer, he almost didn’t exist at all. Iapetus was just one of the Titan gods hidden in Tartarus by Uranus.
Iapetus was also considered the personification of one of the four pillars that hold the heavens and the earth apart, a role that he later bequeathed to his son, Atlas. He represented the pillar of the west, the other three being represented by his brothers Crius, Coeus and Hyperion. The four brothers actively played a role in the dethroning of ...
Sep 18, 2017 · September 18, 2017. Cassini bids farewell to Saturn’s yin-and-yang moon, Iapetus. This image is from the last set of observations Cassini made of this world of striking contrasts. The spacecraft helped scientists better understand Iapetus, solving a centuries-old mystery of why it should be bright on one side and dark on the other.
