16 octubre 2014
Using instruments aboard the Cassini spacecraft to measure the wobbles of Mimas, the closest of Saturn’s regular moons, an astronomer has inferred that this small moon’s icy surface cloaks either a rugby ball-shaped rocky core or a sloshing sub-surface ocean.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/jqB7cqzo9zg/141016143656.htm
