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Photo of a square moon

February 12, 2008 by cemery

Epimetheus, a cubicle moon of Saturn, is too small (71 miles across) for gravity to pull it into a spherical shape like Earth's moon. It shows several more-or-less flat facets, the result, perhaps, of impacts over the eons.

NASA's Cassini spacecraft sent back a remarkable photograph of Epimetheus. To see the photo and read more about the odd-shaped moon, visit the Baltimore Sun science blog, Science Matters.



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