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 ...

Many human activities release polluting gases into the atmosphere, such as farming animals ... the outer core and the inner core. These layers each have different structures and properties.

It's hard to measure altitudes in Jupiter's atmosphere, because the planet doesn't have a surface in the usual sense (there's liquid somewhere below all those deep layers of gas, but it's never ...

Before the Industrial Revolution, our planet’s atmosphere was still ... cores extracted from Greenland’s 1.5-mile-thick ice sheet, which is made up of layers of snow that have accumulated ...