When I look at Cassini images of Saturn -- with its multitude of rings and fleet of moons -- I am inspired, moved, and even awed. And sometimes I laugh. When I saw this image, for example, I actually chuckled to myself. Why?
[Click to encronosenate.] This gorgeous shot was taken on December 30, 2011 and released just today as the Cassini Image of the Week. It shows Saturn's gorgeous rings seen nearly edge on, and the tiny moon Epimetheus, only 113 kilometers in diameter, next to them. It's a lovely image to be sure, and my very first thought was; I wonder if Epimetheus is closer to us than the rings, or farther away? If we're looking down on the rings, from the north, then Epimetheus is closer to us. But if we're looking up from underneath the rings, Epimetheus is on the other side of the rings. I ...
