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Small Moon Makes Big Waves
Posted on Thursday, January 10, 2013
Uploaded by
Waspie_Dwarf

Image credit: NASA/JPL-Caltech/Space Science Institute
Uploader comment: Saturn's small moon Daphnis is caught in the act of raising waves on the edges of the Keeler gap, which is the thin dark band in the left half of the image. Waves like these allow scientists to locate small moons in gaps and measure their masses.
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