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How-To Geek on MSNHow the Discovery of Uranus 240 Years Ago Doubled the Size of the Solar SystemUranus' accidental discovery 240 years ago greatly enhanced our understanding of the solar system, doubling the size of the solar system as we knew it at the time. Here's how a German astronomer ...
NASA / JPL From ground-based infrared measurements and follow-up assessments with Voyager 2, scientists made a chilly discovery: Uranus sits at a frigid minus 320 degrees Fahrenheit on average ...
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