Over time, they noticed that the atmosphere had distinct layers. By the early 1900s, scientists had identified major layers of the atmosphere based on how the temperature changed at different ...

The layers of the atmosphere shown to scale and a discussion of what happens at each layer. The layers in order from the ground up: Troposphere, Stratosphere, Mesosphere, Thermosphere, and the ...

A layer of charged particles, called the ionosphere, surrounds Earth, extending from about 50 to 400 miles above the surface of the planet. Disclaimer: AAAS and EurekAlert! are not responsible for ...