Today in History
What went down and why you should care.
mar 13 Learn More Uranus Discovered
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Sir William Herschel discovered Uranus on this day in 1781. Once you're done giggling, chew on this: Of all the planets in the solar system, Uranus is the coldest. Temperatures reach as cold as -370 °F on Uranus, and Uranus is made up mainly of ice and rock. Still giggling? Okay, fine. We are, too.
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