Pluto has an orbit that passes outside of Neptune and is the debatable ninth planet in the solar system farthest from the sun and smallest in mass. In fact, seven of the planets have moons that are larger than Pluto.
Today Pluto is technically classified as a dwarf planet but many people still consider it to be the ninth planet in the solar system. Due to its distance away from the Earth it is also the only planet that has not yet been reached by a spacecraft for further investigation. Despite its small size, the planet does have two moons that rotate around it.
Pluto has a distinct orbit as it rotates in the opposite direction of all the other planets. It can be closer to the sun at times than Neptune due to its erratic orbit although technically it still falls into place as the farthest planet from the sun. The temperature on Pluto is very cold and ranges between -210C and -235C. Although little is known about the atmosphere of Pluto, scientists guess that it is made of nitrogen and a mix of carbon monoxide and methane.
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- Near Miss Asteroids – Example of 2012DA14
- The Apollo 11 Expedition
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