* Before a Veiled Rhea • The small moon Mimas passes in front of the larger moon Rhea which is partly obscured by Saturn's rings in this movie from Cassini. Observations of mutual moon-crossing events, in which one moon passes close to or in front of another, help scientists refine their understanding of the orbits of Saturn's moons. This movie is a concatenation of 10 still images taken over a span of about 6 minutes. The images were reprojected to a uniform view and computer interpolation was