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Uranus




Uranus is a dynamic world with some of the brightest clouds in the outer solar system, 27 moons and rings. Uranus gets its blue-green color from methane gas above the deeper cloud layers (methane absorbs red light and reflects blue light). Uranus was discovered in 1781 by astronomer William Herschel. This seventh planet from the Sun is so distant that it takes 84 years to complete an orbit. Uranus is classified as a "gas giant" planet because it has no solid surface. The atmosphere of Uranus is hydrogen and helium, with a small amount of methane and traces of water and ammonia. 80% 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 at depth.
© Copyright Rob Kantelberg
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