A Passing of Spheres

Rhea and Dione
Rhea and Dione

Rhea overlaps sister moon Dione in this image, taken by Cassini on October 22. One of a series of raw images showing the moons approach and then pass each other.

Even at their closest passing the two moons are separated by more than 90,000 miles.


One Comment

  1. matthew says:

    something probably happened around that time down in Rio too


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