Iapetus – the black-and-white walnut Moon
Iapetus is the third largest moon of Saturn, with a radius of about 42% that of our moon, and a ...
Iapetus is the third largest moon of Saturn, with a radius of about 42% that of our moon, and a ...
A giant landslide on Iapetus reaches halfway across a 75-mile (120 kilometer) impact crater.(c) NASA/JPL/Space Science Institute Planetary scientist Kelsi ...