Saturn moon Rhea passes in front of Dione, as seen from NASA Cassini spacecraft. These images are part of a mutual event sequence in which one moon passes close to, or in front of, another.
Dione Beyond Rhea
Saturn moon Rhea passes in front of Dione, as seen from NASA Cassini spacecraft. These images are part of a mutual event sequence in which one moon passes close to, or in front of, another.