Cassini Finds Saturn's Rings Are Weirdly Thin

If a material is thicker, it should be less transparent, right? It turns out that in Saturn's rings, that's not always the case.

February 4, 2016
12:06 PM EST
The major features in Saturn's rings are labelled in this image, which is cropped from a panoramic view of the planet. | NASA/JPL-Caltech/Space Science Institute