Today in History
What went down and why you should care.
mar 13 Learn More Uranus Discovered
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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