Iapetus gets dusted | Science News

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Iapetus gets dusted

Saturn moon's yin-yang surface explained

By
4:14pm, July 12, 2011

Imagine a powdered sugar doughnut hole plowing through a cloud of dark-chocolate dust. The resulting two-colored treat would resemble one of Saturn’s weirder moons, Iapetus — an icy world with a coal-black face and a bright white backside.

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