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| Iapetus, outermost of Saturn's large moons |
Carolyn Porco has the story. Iapetus is certainly an oddball:
But in the meantime, what to our wondering eyes should appear … the most unique, and perhaps most remarkable feature that we discovered on Iapetus … an unmistakable, 12-mile wide, over 800-mile-long topographic ridge that coincides almost exactly with the geographic equator.
That's where they snapped the two halves together.
ReplyDeleteAnd look at the size of those impact craters !
ReplyDelete