Saturn's "Yin-Yang" moon Iapetus

Thanks to the Cassini mission, a great many things have been learned about the Saturn system in recent years. In addition to information on Saturn's atmosphere, rotation and its beautiful and extensive ring system, many revelations ...

What's this ridge on Iapetus?

The strangest feature on Iapetus is the equatorial ridge. What could possibly create a feature like this?

Saturn's moons: What a difference a decade makes

Almost immediately after NASA's twin Voyager spacecraft made their brief visits to Saturn in the early 1980s, scientists were hungry for more. The Voyagers had offered them only a brief glimpse of a family of new worlds—Saturn's ...

Massive ice avalanches on Iapetus

We've seen avalanches on Mars, but now scientists have found avalanches taking place on an unlikely place in our solar system: Saturn’s walnut-shaped, two-toned moon Iapetus. And these aren’t just run-of-the-mill ...

What’s up with Iapetus?

Although Saturn's moon Iapetus was first discovered in 1671 by Giovanni Cassini, its behavior was extremely odd. Cassini was able to regularly find the moon when it was to the west of Saturn, but when he waited for it to ...

How Iapetus got its ridge

For centuries, people wondered how the leopard got its spots. The consensus is pretty solid that evolution played a major role.

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Iapetus

Iapetus ( /aɪˈæpɨtəs/) may mean:

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