Why does Iapetus have two colours?
Chris, South Africa
Iapetus is the third largest satellite of Saturn, and it is the largest object in the solar system not in…341 more words
Here’s a raw image of Saturn’s moon Iapetus, looking down on its northern hemisphere from Cassini on March 31, 2015. The moon’s signature two-toned coloration is evident as its bright icy surface is partially coated by dark material, thought to have been ejected from distant neighbor… 100 more words