How Hot Is The Surface Of Mercury

That honor goes to venus which experiences an average surface temperature of 750 k 477 c.

Although mercury is the closest planet to the sun it isn t the hottest and it can sometimes be one of the coldest. From the night mercury s surface temperature changes 1 130 f 630 c more than any other planet or moon in the solar system. Temperatures reach a maximum of 427 c 800 f and a minimum of 183 c 297 f. Just before sunrise on a typical day on mercury the temperature is 300 f 180 c.

Because of this temperatures can be more than 1 000 degrees fahrenheit lower than those on the day side. It does have a tenuous surface bounded exosphere containing hydrogen helium oxygen sodium calcium potassium and others at a surface pressure of less than approximately 0 5 npa 0 005 picobars. The temperature may range by an astounding 590 k. Mercury s temperatures can go between 279 fahrenheit 173 celsius at night to 801 fahrenheit 427 celsius during the day.

Mercury is too small and hot for its gravity to retain any significant atmosphere over long periods of time. How hot is mercury. Mercury s temperature mercury s surface temperatures are both extremely hot and cold. Without an atmosphere to retain that heat at night temperatures can dip as low as 290 f 180 c.

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But strangely enough it is not. While the planet is the closest to the sun there are places that are dark enough to. The surface of mercury displays some amazing extremes. Not only that but mercury is also cold enough in some regions.

Since mercury is the closest planet to the sun spins slowly and does not have much of an atmosphere to trap heat its temperature varies greatly. Because the planet is so close to the sun day temperatures can reach highs of 800 f 430 c. Without an atmosphere mercury loses a great deal of heat into space rather than sharing with its night side.