thermal characteristics (temperature changes), chemical composition, movement, and density. Each of the layers are bounded by "pauses" where the greatest changes in thermal characteristics, chemical ...
PITTSBURGH (KDKA) - I like to think of the atmosphere as sort of a big sandwich since the atmosphere isn't just one layer. It has many distinct layers from the ground all the way into space. This ...
JaredOwen on MSN

How big is the atmosphere?

Explore the layers of the atmosphere, shown to scale. Learn about what occurs at each layer, including the Troposphere, Stratosphere, Mesosphere, Thermosphere, and Exosphere. This video is available ...