Why are nights on Mercury freezing cold, although it’s the planet closest to the Sun? -

Why are nights on Mercury freezing cold, although it’s the planet closest to the Sun?

Answer :

Unlike Earth, Mercury is not surrounded by a thick protective blanket of air called the atmosphere. This means that the heat from the Sun escapes, leaving the planet freezing at night. While the temperature during the day can be as high as 467 °C (873 °F), at night it drops to -183 °C (-297 °F).

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