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View Full Version : Something Twice the Size of Earth Slammed into Uranus and Knocked it Over on its Side



Fraser
2018-Dec-28, 06:11 PM
Astronomers think they know how Uranus got flipped onto its side. According to detailed computer simulations, a body about twice the size of Earth slammed into Uranus between 3 to 4 billion years ago. The impact created an oddity in our Solar System: the only planet that rotates on its side. A study explaining these …
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