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 ...

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 ...

The Earth’s atmosphere is the relatively thin layer of gases surrounding the planet. The atmosphere is held close to Earth by gravity, but the higher you go away from the Earth’s surface ...