Why Is Pluto So Low

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Pluto is small. Very small. In fact, it’s diameter is only 1,500 miles long, about half the size of the U.S. Because of its small size, the gravity is only 0.4 m/s2, while the Earth’s gravity is 9.8 m/s2. Pluto is about 60% rock and 40% frozen nitrogen, carbon monoxide, methane, and water. The surface of the dwarf planet is covered in canyons, polar caps, ice mountains and plains, and glaciers the size of Texas. Temperatures are so cold on Pluto (up to -387 degrees Fahrenheit) that the atmosphere freezes, and then falls to the ground like snow. The reason why the temperatures are so low is because of the distance between our sun and Pluto. The dwarf planet is so far away, the sun would look like a single pinprick of light.

It took NASA’s

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