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what keeps the earth cool during the day and warm at night?

Mostly the heat capacity of the air and ground

Did you know?

Did you know that the atmosphere plays a significant role in keeping the Earth cool during the day and warm at night? During daylight hours, the Earth's surface absorbs sunlight and heats up. However, instead of the Earth rapidly overheating, the atmosphere comes to the rescue. It consists of various gases, primarily nitrogen and oxygen, which absorb and scatter a portion of the incoming solar radiation, reducing the amount that reaches the surface. This process helps regulate daytime temperatures and prevents the Earth from becoming excessively hot. At night, when the Sun sets, the Earth begins to radiate the absorbed heat back into space. However, the atmosphere acts as a thermal blanket, trapping some of the heat and preventing it from escaping entirely. This phenomenon, known as the greenhouse effect, helps maintain relatively warmer temperatures during the night. So, next time you feel that crisp nighttime air, remember that it's the atmosphere working hard to keep our planet cozy!