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Which is the coldest planet in our solar system and why?

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As a rule, the farther one ventures from the Sun, the colder and more mysterious things get. Whereas temperatures in the inner Solar System are enough to burn you alive or melt lead, beyond the “Frost Line“, they get cold enough to freeze volatiles like ammonia and methane. read more

As the eight planet from our Sun, it is now the outermost planet in the Solar System, and hence the coldest. Orbit and Distance: With an average distance (semi-major axis) of 4,504,450,000 km (2,798,935,466.87 mi or 30.11 AU), Neptune is the farthest planet from the Sun. read more

If there is a mystery planet even further from the sun, then it is the coldest. If Pluto is disqualified (and no undiscovered planets exist in our solar system), then the question becomes whether you mean the coldest average temperature or coldest extreme temperature. read more

Tags: heat, neptune, Planets, Solar System, temperature, uranus All About Space is part of Future plc, an international media group and leading digital publisher. Visit our corporate site. read more

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Our Solar System
Source: slideshare.net

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