Thermosphere
The thermosphere is the outermost layer of Earth’s AtmosphereAtmosphere. It extends from the MesopauseMesopause, at about 85 kilometers (53 mi) above sea level, to the exosphere, which begins at about 600 kilometers (370 mi). The thermosphere is characterized by very high temperatures, which can reach up to 2,500 degrees Celsius (4,500 degrees Fahrenheit). The high … Read more