Uranus is around four times larger than Earth. Its mass is made of helium, ice and ammonia, which contributes to its color. Because of its mass and position in the universe, Uranus presents significantly different condit... More »

Smaller molecules diffuse faster than larger molecules. The smaller molecules are able to move more quickly at a given temperature than larger molecules, allowing them diffuse across the membrane with greater speed. More »

The first U.S. 5-cent coins, starting in the 1790s, were made of a silver and copper alloy and were smaller than a dime. Called half-dimes, they contained one-twentieth of the amount of silver found in the silver dollar. More »

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Uranus is the smallest of the gas planets, but its diameter of 51,118 kilometers is still four times longer than the Earth's, according to Universe Today. The volume of Uranus is massive, as it could hold 63 Earths insid... More »

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Both Earth and Uranus are spherical, orbit the sun and tilt on their axes. Though the time to orbit the sun by the Earth is a year, it takes Uranus 84 Earth years to do the same. More »

Jupiter is slightly over 1,321 times more voluminous than the Earth, and its equator is roughly 11 times bigger than the Earth's equator. Measured by mass, Jupiter is the largest planet in the solar system. More »

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A year on Uranus is equivalent to 84 Earth years, as it takes that long for Uranus to make one revolution around the sun. A day on Uranus is equivalent to about 17 Earth hours. More »