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How cold is Neptune?

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Quick Answer

The average temperature on Neptune is -373 degrees Fahrenheit. Neptune is, on average, 2.8 billion miles from the sun, making it the eighth planet from the sun, which is one reason this planet is so cold.

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Full Answer

Neptune's upper atmosphere clouds have a temperature ranging from a bone-chilling -240 degrees to -330 degrees, and these clouds are made from methane ice crystals. The coldest temperature ever measured in this solar system was -391 degrees on Triton, one of Neptune's satellites, and the fastest wind speed ever recorded was on Neptune with a speed of 1200 mph around the older Great Dark Spot. The average wind speed around Neptune's equator is 700 mph.

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    How hot is Neptune?

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    The average temperature on Neptune is minus 392 degrees Fahrenheit, according to NASA. Neptune is the farthest major planet in Earth's solar system from the Sun, and it is about 30 times farther from the Sun than Earth, resulting in drastically low temperatures.

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  • Q:

    What is the temperature range of Neptune?

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    Cloud temperatures on Neptune range from around minus 240 degrees Fahrenheit to minus 330 degrees Fahrenheit. The dense, extremely cold atmosphere on Neptune averages minus 373 degrees Fahrenheit.

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    What is Neptune known for?

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    Neptune is a giant planet comprised largely of helium and hydrogen gases. It is the furthest of the eight planets from the sun, and it takes about 165 Earth years for Neptune to complete a full orbit. Neptune is also known for its six rings and 14 moons.

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    How hot does it get on Neptune?

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    The hottest Neptune ever gets at its surface, which is defined as the point at which its thick atmosphere is at the same pressure as the Earth's atmosphere at sea level, is -296 F. These temperatures are found at the poles based on Neptune's seasons.

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