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Iapetus

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Iapetus

One of the larger moons of Saturn, discovered in 1671 by Italian-born French astronomer Giovanni Cassini. It has a diameter of 1,460 km/900 mi and orbits Saturn at an average distance of 3.6 million km/2.2 million mi with a period (the time it takes to circle the planet) of 79.3 days.

As seen from Earth, Iapetus always appears brighter on one side of its orbit than on the other. Voyager probes revealed that the leading hemisphere of Iapetus is very dark, possibly coated with a sooty organic material originating from Saturn's outermost satellite, Phoebe.



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Exceptions are only made in special cases, as the Sons of Iapetus (ll.
Collection Of Hesiod, Homer and Homerica by Homer View in context
Like it or no, this is how it is decreed; for aught I care, you may go to the lowest depths beneath earth and sea, where Iapetus and Saturn dwell in lone Tartarus with neither ray of light nor breath of wind to cheer them.
The Iliad by Homer View in context
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