Well there are actually 4 layers to ... Fahrenheit. 99.9% of the Earth’s mass is located below this level. The percentage of nitrogen and oxygen (primary gasses in the atmosphere) at this ...

Our atmosphere is divided into layers based on temperature. Let's start with the troposphere. The air we breathe and most of our weather is in the troposphere. This layer is about 5 to 9 miles ...

JACKSONVILLE, Fla. — How many layers do you think there are in our atmosphere? Five! We have five different layers between us and outer space. From the surface up there is the troposphere ...

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 ...