What is the hottest and coldest layer of the atmosphere?

Hottest layer of Earth’s atmosphere is the thermosphere. The temperature can go upto 1,500 degree celsius as it is sensitive to The sun rays. The coldest layer of atmosphere is Mesosphere, which is 88 km from stratosphere. At 88 km, the temperature is -100 degree celsius, which is the minimum temperature of atmosphere.Click to see full answer. Considering this, what is the hottest layer of the atmosphere? thermosphere One may also ask, what is the temperature of each layer of the atmosphere? The mesosphere starts at 31 miles (50 km) and extends to 53 miles (85 km) high. The top of the mesosphere, called the mesopause, is the coldest part of Earth’s atmosphere, with temperatures averaging about minus 130 degrees F (minus 90 C). This layer is hard to study. Then, what is the coldest layer of the atmosphere? mesosphere Why is the exosphere the coldest layer of the atmosphere?As the mesosphere extends upward above the stratosphere, temperatures decrease. The coldest parts of our atmosphere are located in this layer and can reach –90°C. In the forth layer from Earth’s surface, the thermosphere, the air is thin, meaning that there are far fewer air molecules.

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