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Photo Gallery: Uranus

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These true- and false-color images, taken in 1997, show banded clouds on Uranus. The planet's atmospheric details are very difficult to see in visible light. The bulk (80 percent or more) of the mass of Uranus is contained in an extended liquid core consisting primarily of "icy" materials (water, methane, and ammonia), with higher-density material deeper down. Photograph courtesy NASA/JPL