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Outer Solar System Close To Neptune And Uranus Was Supply Of Uncommon Asteroids Organic History Museum

Pluto was once the ninth planet from the sun and is in contrast to any other planet in the solar system. Astronomers believe an object twice the size of Earth collided with Uranus roughly 4 billion years ago, causing Uranus to tilt. That tilt causes extreme seasons that final 20-plus years, and the sun beats down on one particular pole or the other for 84 Earth-years at a time. Earth rotates on its axis at 1,532 feet per second — slightly much more than 1,000 mph — at the equator. The planet zips around the sun at extra than 18...