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Oct 5, 2021 · 2.) Iapetus has an abnormally shaped equator. Much like the Earth, moon, or sun, Iapetus is not a perfect sphere. ... and so the ices on the “hotter” part are more likely to sublimate, where ...
- Ethan Siegel
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 ...
Apr 27, 2019 · Fast Summary Facts About Iapetus! Discovered: October 25 th 1671, by Giovanni Cassini. Name: From Greek mythology, Iapetus is the mythical brother of Kronus. (Kronus in Roman is Saturn). Also designated as Saturn VIII. Size: Diameter of 1,470 kilometres (913 miles) Moon Rank: 11 th Largest in the solar system. Orbit: Prograde and Circular.
Iapetus was discovered by Giovanni Domenico Cassini, an Italian-born French astronomer, in October 1671. This is the first moon that Cassini discovered; the second moon of Saturn to be discovered after Christaan Huygens spotted Titan 16 years prior in 1655; and the sixth extraterrestrial moon to be discovered in human history.
- 3.26 km/s
- Saturn
- 6700000 km²
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Jan 7, 2005 · Iapetus: A View from the Top. This oblique view of Saturn's moon Iapetus from high latitude shows how the dark, heavily cratered terrain of Cassini Regio transitions to a bright, icy terrain at high latitudes. In this mosaic of two high resolution images taken during Cassini's New Year's Eve 2004 flyby of Iapetus, the direction toward the north ...
Jan 7, 2005 · This oblique view of Saturn's moon Iapetus from high latitude shows how the dark, heavily cratered terrain of Cassini Regio transitions to a bright, icy terrain at high latitudes. In this mosaic of two high resolution images taken during Cassini's New Year's Eve 2004 flyby of Iapetus, the direction toward the north pole is approximately 15 degrees below the horizontal on the right. At the ...
Iapetus Bright and Dark Terrains. Saturn's outermost large moon, Iapetus, has a bright, heavily cratered icy terrain and a dark terrain, as shown in this Voyager 2 image taken on August 22, 1981. Amazingly, the dark material covers precisely the side of Iapetus that leads in the direction of orbital motion around Saturn (except for the poles ...
