Atmosphere - Wikipedia An atmosphere is a layer of gases that envelop an astronomical object, held in place by the gravity of the object The name originates from Ancient Greek ἀτμός (atmós) 'vapour, steam' and σφαῖρα (sphaîra) 'sphere' [1]
Atmosphere - NASA Science Atmosphere fosters research and innovation targeting the dynamics and thermodynamics of the atmosphere, its physical and chemical composition, and the interdependent impacts that these have on the Earth’s radiative balance, air quality, and weather
The Atmosphere | National Oceanic and Atmospheric Administration 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 protective bubble in which we live
Layers of the Earths Atmosphere - Facts with Diagram The atmosphere of the earth is the layer of gases (commonly called air) that surrounds the earth and creates an inhabitable environment, maintains temperature, causes weather, and protects its inhabitants from solar radiation
Composition and Structure of the Atmosphere – Environmental Biology 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 layers that together support life on Earth
Atmosphere - National Geographic Society While oxygen is necessary for most life on Earth, the majority of Earth’s atmosphere is not oxygen Earth’s atmosphere is composed of about 78 percent nitrogen, 21 percent oxygen, 0 9 percent argon, and 0 1 percent other gases
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