Atmosphere
Layers of the upper atmosphere looked at from the edge, shown in colors ranging from red near the earth to blue towards space

This photograph of the colorful layers of Earth's upper atmosphere was taken from the space shuttle, looking sideways across Earth's atmosphere. Image Credit: NASA

      the layer of gases surrounding a planet





Sentences:
Earth's atmosphere protects life on the planet.

There are five layers that make up Earth's atmosphere.





More Information:
http://scifiles.larc.nasa.gov/text/kids/Problem_Board/problems/light/sim3.html   →