Definitions for iapetus
This page provides all possible meanings and translations of the word iapetus
(Greek mythology) the Titan who was father of Atlas and Epimetheus and Prometheus in ancient mythology
A Titan, the son of Uranus and Gaia, and father of Atlas, Prometheus, Epimetheus, and Menoetius.
The third largest moon of Saturn
An ancient ocean which existed between 600 and 400 million years ago.
Iapetus, occasionally Japetus, is the third-largest natural satellite of Saturn, and eleventh-largest in the Solar System. Compared to Earth's moon, its radius is about 42% and its density is about 32.5% resulting in a mass of about 2.5% of Earth's moon. Iapetus is best known for its dramatic 'two-tone' coloration, but discoveries by the Cassini mission in 2007 have revealed several other unusual physical characteristics, such as an equatorial ridge that runs about halfway around the moon.
Sample Sentences & Example Usage
Ultimately, we found that Jupiter is capable of ejecting the fifth giant planet while retaining a moon with the orbit of Callisto, on the other hand, it would have been very difficult for Saturn to do so because Iapetus would have been excessively unsettled, resulting in an orbit that is difficult to reconcile with its current trajectory.
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