What are the climatic and temperature features of the nature of the planet Mercury? How are they explained?

There is practically no atmosphere on Mercury. Therefore, daily temperature fluctuations are great. Due to the proximity to the Sun, the temperature in the daytime hemisphere reaches +430 ° С, and in the nighttime – 190 ° С. The surface of the planet is covered with many craters, like the surface of the Moon. The structure of the surface layer is apparently the same as on the Moon.

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