The atmosphere is the blanket of gases that surround a planet. Earth's atmosphere has evolved from being one filled with carbon dioxide and water vapor to one containing mainly nitrogen and oxygen. More »

Earth's atmosphere consists of a variety of gases, including nitrogen, oxygen, argon and carbon dioxide, along with tiny solid particles such as dust, pollen and plant particles. The atmosphere also contains a small amou... More »

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The atmosphere works as a place to contain the oxygen that is necessary for life, works as a blanket to shield the earth from radiation and helps to create the different types of weather that are felt on the Earth. The a... More »

According to the University of Michigan, the primitive Earth did not have an atmosphere until gases were released from the planet's interior. Fast-moving gases and massive volcanic eruptions led to the creation of two di... More »

The atmosphere works as a place to contain the oxygen that is necessary for life, works as a blanket to shield the earth from radiation and helps to create the different types of weather that are felt on the Earth. The a... More »

The thin layer of gases surrounding the earth is called the atmosphere. Earth's atmosphere is separated into five layers known as the troposphere, stratosphere, mesosphere, ionosphere and exosphere. More »

The two most abundant gases in the Earth’s atmosphere are nitrogen and oxygen. The atmosphere contains approximately 78 percent nitrogen and about 21 percent oxygen. The Earth’s atmosphere also contains lesser amounts of... More »