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Mercury has almost no atmosphere to trap heat. It has a very slow rotation so night lasts for many (earth) days, and in the long darkness without air, the heat radiates away rapidly.

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12y ago
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6mo ago

Mercury has a thin atmosphere that cannot retain heat well. During the day, its surface gets extremely hot due to its proximity to the sun, but at night, it rapidly cools down as it lacks the atmosphere to trap the heat. This results in a large temperature difference between day and night on Mercury.

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Q: Why does mercury have the largest temperature difference from day to night?
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Related questions

What is the difference between mercury's night and day temperature's?

It is roughly 300degrees. Alain


What is the temperature difference between day and night on Mercury?

It is roughly 300degrees. Alain


What planet has a 1000 degree difference?

Mercury has the greatest temperature variation in our solar system, with surface temperatures ranging from about -290°F (-179°C) at night to 800°F (427°C) during the day, resulting in a difference of over 1000 degrees Fahrenheit.


What planet has the largest difference in surface temperature?

In our solar system, because of the lack of moderating effect of a thick atmosphere, and its proximity to the Sun, the planet Mercury has the largest temperature range between the day and night sides. The side facing the sun gets as hot as 430 C, the side facing away, as low as -173 C.


What is the day and night temperature for mercury?

Bloody hot in the day and hot at night


What is Mercury's temperature range for the day and night?

Mercury's temperature can range from about -290 degrees Fahrenheit (-179 degrees Celsius) at night to around 800 degrees Fahrenheit (427 degrees Celsius) during the day due to the lack of atmosphere to retain heat. This extreme temperature difference is due to its thin atmosphere and proximity to the sun.


Which planet experiences the greatest change between its actual day temperature and actual night temperature?

Mercury with a surface temperature of 700K in the daytime and 100K in the night


Why does mercury's surface temperature varies so much from day to night?

because mercury is extremely hot during the day and extremely cold at night


What is Mercury minimum temp?

The minimum temperature on Mercury can drop to around -290 degrees Fahrenheit (-180 degrees Celsius) during the night. Mercury has very little atmosphere to retain heat, causing extreme temperature fluctuations between day and night.


What is the temperature of day and night for planet mercury?

350 degrees in the day time 170 degrees in the night time


Which planet has the largest temperature difference in entire solar system?

Mercury has the largest temperature difference in the entire solar system, with daytime temperatures reaching up to 800 degrees Fahrenheit (430 degrees Celsius) and dropping to -290 degrees Fahrenheit (-180 degrees Celsius) at night due to its lack of atmosphere to regulate temperature.


Can Mercury trap heat?

No, Mercury has no atmosphere. Without an Atmosphere planets cannot trap heat. This is the reason why Mercury's temperature changes drastically from day and night.