The small moon Janus overtakes the larger moon Rhea in a dance played out before Saturn and its rings in this image taken by NASA Cassini spacecraft. Go to the Photojournal to view the animation.
Catching Big Sister
The small moon Janus overtakes the larger moon Rhea in a dance played out before Saturn and its rings in this image taken by NASA Cassini spacecraft. Go to the Photojournal to view the animation.