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  1. Atmosphere of Earth - Wikipedia

    The atmosphere of Earth consists of a layer of mixed gas (commonly referred to as air) that is retained by gravity, surrounding the Earth 's surface. It contains variable quantities of suspended aerosols and …

  2. Atmosphere - NASA Science

    2 days ago · Atmosphere fosters research and innovation targeting the dynamics and thermodynamics of the atmosphere, its physical and chemical composition, and the interdependent impacts that these …

  3. The Atmosphere | National Oceanic and Atmospheric Administration

    Jul 2, 2024 · The atmosphere surrounds the Earth and holds the air we breathe; it protects us from outer space; and holds moisture (clouds), gases, and tiny particles. In short, the atmosphere is the …

  4. Earth - Atmosphere, Climate, Ozone | Britannica

    2 days ago · Earth is surrounded by a relatively thin atmosphere (commonly called air) consisting of a mixture of gases, primarily molecular nitrogen (78 percent) and molecular oxygen (21 percent).

  5. What Is the Atmosphere? - Center for Science Education

    The atmosphere is a mixture of gases that surrounds the planet. Without the atmosphere, life on Earth wouldn't be possible.

  6. Atmosphere - National Geographic Society

    One of the main components of Earth’s interdependent physical systems is the atmosphere. An atmosphere is made of the layers of gases surrounding a planet or other celestial body. Earth’s …

  7. Composition and Structure of the Atmosphere

    Atmosphere refers to the layer of gases that surrounds Earth and is held in place by Earth’s gravitational attraction (gravity). The mix of gases in the atmosphere forms a complex system organized into …