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Moon and Rings

Credit: NASA/JPL-Caltech/Space Science Institute
Friday, Oct. 17, 2014: Saturn’s moon Tethys appears as if impaled on the A and F rings in this photo by Cassini spacecraft. Tethys (660 miles, or 1,062…Read More »





kilometers across) consists, similar to the ring particles, primarily of ice. The moon appears through the Keeler gap in the A ring, kept clear by the small moon Daphnis (not pictured). Cassini spacecraft obtained the image in visible light on July 14, 2014.

— Tom Chao   Less «
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