
No craters on this 3-mile moon of Saturn. What’s up with that? If this is a pile of ice rubble and dust, then why is it oblong? And maybe there are craters underneath a fluffy surface.
6 November 2012

No craters on this 3-mile moon of Saturn. What’s up with that? If this is a pile of ice rubble and dust, then why is it oblong? And maybe there are craters underneath a fluffy surface.