An atmosphere is a layer of gases that may surround a material body of sufficient mass.
http://en.wikipedia.org/wiki/Atmosphere
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An atmosphere is a layer of gases that may surround a material body of sufficient The gases are attracted by the mass gravity of the body, and are retained for a longer duration if gravity is high and the atmosphere's temperature is low. So...
http://wiki.answers.com/Q/What_is_an_atmopshere
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What is atmosphere...the second grade needs to know! judy cochran Answer: The atmosphere is a layer of gases which surrounds the entire Earth. It consists mainly of Nitrogen, Oxygen, as well as a few other gaseous elements. The purpose of t...
http://www.newton.dep.anl.gov/askasci/gen99/gen99061.ht...
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Earth's atmosphere - Wikipedia, the free encyclopedia
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The Earth's atmosphere is a layer of gases surrounding the planet Earth that is retained by Earth's gravity. The atmosphere protects life on Earth by absorbing ultraviolet solar radiation, warming t...
en.wikipedia.org/wiki/Earth's_atmosphere
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Describes the composition and layers of the atmosphere. ... Composition of the Atmosphere ... Layers of the Atmosphere...
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csep10.phys.utk.edu/astr161/lect/earth/atmosphere.html
csep10.phys.utk.edu/astr161/lect/earth/atmosphere.html
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Think of Jupiter as an unborn star. It never achieved a mass that was significant enough to start a nuclear reaction, so its basically a star witthout the plasma, composing of about 75% Hydrogen and 25% Helium, with trace elements of stuff ...
http://answers.yahoo.com/question/index?qid=20090131173...
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The Atmosphere ... The atmosphere is defined as the layer of gases that surrounds the earth. ... Air is the mixture of gases that make up the atmosphere.
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www.greenville.k12.ny.us/mschool/Kelly_P/science8/notes...
www.greenville.k12.ny.us/mschool/Kelly_P/science8/notes/atmosphere.html
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The atmosphere is a mixture of nitrogen (78%), oxygen (21%), and other gases (1%) that surrounds Earth. High above the planet, the atmosphere becomes thinner until it gradually reaches space. It is divided into five layers.
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www.windows.ucar.edu/tour/link=/earth/Atmosphere/overvi...
www.windows.ucar.edu/tour/link=/earth/Atmosphere/overview.html
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