New What Are The Four Layers Of The Atmosphere Background. Troposphere, stratosphere, mesosphere and thermosphere. The atmosphere of earth is the layer of gases, commonly known as air, retained by earth's gravity, surrounding the planet earth and forming its planetary atmosphere.
The mesosphere this layer also contains ratios of nitrogen and oxygen similar to the troposphere, except the concentrations are 1000 times less and there is little.
There are 4 primary layers of the atmosphere on earth: The air of our planet is 79 percent. The atmosphere of earth is the layer of gases, commonly known as air, retained by earth's gravity, surrounding the planet earth and forming its planetary atmosphere. Ionosphere the ionosphere is an abundant layer of electrons and ionized atoms and molecules that stretches from about 48 kilometers (30 miles) above the surface to the edge of space at about 965 km (600 mi), overlapping into the mesosphere and.