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What is the coldest planet in our solar system?

A:

Quick Answer

Neptune is the coldest planet in the solar system. As the planet furthest away from the Sun, Neptune receives less light than the other planets.

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What is the coldest planet in our solar system?
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Full Answer

Neptune became the coldest planet in the solar system in June of 2008 when Pluto lost its status as a planet. Until then, Pluto was considered to be the outer-most planet in the solar system, which also made it the coldest. According to NASA, Pluto is now classified as a dwarf planet. Neptune is located 2.8 billion miles from the Sun and its surface temperature often falls as low as 72 Kelvin or -201 degrees Celsius.

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