Q:

What is the temperature of the exosphere?

A:

Quick Answer

The temperature of the exosphere cannot be specified. This is because the exosphere layer of the atmosphere is almost a vacuum; the thickness of the air is negligible. Because of this thin air layer, heat cannot be transferred to the air particles even if the air is very hot.

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Full Answer

The particles in the air in the exosphere might be hot, but since the exosphere is almost a vacuum, the exosphere would feel very cold. When sunlight falls on the air particles in the atmosphere, they can get extremely hot; however, the particles not exposed to sunlight can be freezing cold.

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