Definition: The asthenosphere is a layer of Earth's atmosphere that lies between the upper atmosphere and the lower atmosphere. It extends from the surface to about 10 kilometers (6.2 miles) below the surface, encompassing parts of the stratosphere, mesosphere, thermosphere, and magnetosphere. This layer acts as a barrier between the Earth's surface and the outer space. The asthenosphere is responsible for regulating temperature and pressure differences in the atmosphere, which can affect weather patterns
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