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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.
The Avengers are a team of fictional superheroes and the protagonists of the Marvel Cinematic Universe (MCU) media franchise, based on the Marvel Comics team of the same name created by Stan Lee and Jack Kirby in 1963.
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Iapetus. Contents. Discovery. Overview. How Iapetus Got its Name. These two global images of Iapetus show the extreme brightness dichotomy on the surface of this peculiar Saturnian moon. The left-hand panel shows the moon's leading hemisphere and the right-hand panel shows the moon's trailing side. NASA/JPL-Caltech/Space Science Institute.
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Discovery
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 Titan16 years prior in 1655; and the sixth extraterrestrial moon to be discovered in human history. Cassini discovered Iapetus when the moon was on the western side of Saturn, but when he tried viewing it on the eastern side some months later, he was unsuccessful. This...
Etymology
Iapetus is named after the Titan Iapetus from Greek mythology. The name was suggested by John Herschel (son of William Herschel, discoverer of Mimas and Enceladus) in his 1847 publication Results of Astronomical Observations made at the Cape of Good Hope, in which he advocated naming the moons of Saturn after the Titans, brothers and sisters of the Titan Cronus (whom the Romans equated with their god Saturn); and Giants, the massive but lesser relatives of the Titans who sided with the Titans...
The orbit of Iapetus is somewhat unusual. Although it is Saturn's third-largest moon, it orbits much farther from Saturn than the next closest major moon, Titan. It also has the most inclined orbital plane of the regular satellites; only the irregular outer satellites like Phoebehave more inclined orbits. Because of this distant, inclined orbit, Ia...
The moons of Saturn are typically thought to have formed through co-accretion, a similar process to that believed to have formed the planets in the Solar System. As the young gas giants formed, they were surrounded by discs of material that gradually coalesced into moons. However, a proposed model on the formation of Titan suggests that Titan was i...
The low density of Iapetus indicates that it is mostly composed of ice, with only a small (~20%) amount of rocky materials. Unlike most of the large moons, its overall shape is neither spherical nor ellipsoid, but has a bulging waistline and squashed poles. Its unique equatorial ridge (see below) is so high that it visibly distorts Iapetus's shape ...
The first-ever spacecraft to visit Saturn, Pioneer 11, did not provide any images of Iapetus and it came no closer than 1,030,000 km (640,000 miles) from the moon.Nonetheless, Pioneer 11 was humanity's first attempt to obtain direct measurements from the objects within the Saturnian system. Voyager 1 arrived at Saturn on November 12, 1980 and it be...
The monolith featured during the climax of Arthur C. Clarke's 1968 novel 2001: A Space Odysseyis located on Iapetus. A team of scientists explore Iapetus in The Saturn Game, a science-fiction novella by Poul Anderson(1981). Iapetus is also the setting for Czech writer Julie Nováková's story "The Long Iapetan Night", published in the November 2020 e...
Iapetus seemingly in the shape of the famous Taijitu(also known as the Yin-Yang symbol). This was imaged by Voyager 1 on November 12, 1980.Enhanced version of an image of Iapetus by Voyager 2. The left side of Iapetus in this image is its side that is always facing away from Saturn.An image of a half-illuminated Iapetus, taken by Cassini on November 12, 2005 from a distance of 417,000 kilometers (259,000 miles) during its flyby of Saturn. The big crater at the center is Turgi...An image of Iapetus from its nightside that was photographed by an approaching Cassini, showing it as a slender crescent with its massive equatorial ridge clearly visible at the middle. This image...Cassinimission page – IapetusIapetus Profile at NASA's Solar System Exploration siteAvengers: Infinity War is a 2018 American superhero movie based on the Marvel Comics superhero team the Avengers. The movie is produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures. It is the sequel to The Avengers (2012) and Avengers: Age of Ultron (2015) and the 19th movie in the Marvel Cinematic Universe (MCU).
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.
Sep 18, 2017 · Sep 18, 2017. Image Article. 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.
