Now you can not only look for the shortest route from home to work, but also take a look at the glowing hot surface of Venus,
the kilometer-thick ice layer of Enceladus or the huge crater on Mimas.
Their estimate- about 40 percent of the mass of Saturn's moon Mimas, which itself is 2,000 times smaller than Earth's moon-
tells them that the rings are relatively recent, having originated less than 100 million years ago and perhaps as recently as 10 million years ago.