This picture of Saturn's icy moon Enceladus just came down from the spacecraft yesterday, and is very cool:
[Click to engeysernate.] First, this is a raw image, which means there has been no processing on it. It's uncalibrated and uncleaned, straight from the spacecraft. So some of the bright specks in it are not real, but probably things like cosmic ray hits on the detector. But what a picture! Enceladus has a string of water geysers erupting from its south pole region, and usually they are seen individually. But this view shows them all blending together, as if a sheet of ice is spraying out of the tiny moon! Even cooler, look just above the limb of the moon to the left: I can't be totally positive, but I think that grayish crescent is the shadow of the moon falling across the spray! The angle looks right; from the thin ...