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- 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 of Earth - Wikipedia
The atmosphere redistributes heat and moisture among different regions via air currents, and provides the chemical and climate conditions that allow life to exist and evolve on Earth
- Atmospheric science - Wikipedia
Atmospheric science is the study of the Earth's atmosphere and its various inner-working physical processes Meteorology includes atmospheric chemistry and atmospheric physics with a major focus on weather forecasting Climatology is the study of atmospheric conditions over timescales longer than those of weather, focusing on average climate conditions and their variability over time Aeronomy
- Atmosphere of Earth - Simple English Wikipedia, the free encyclopedia
Earth’s atmosphere is made up of a mixture of gases that surround the planet and are held in place by gravity The three main gases in Earth's atmosphere are nitrogen, which makes up about 78% of the air, oxygen, which makes up about 21%, and argon, which makes up about 0 93%
- Atmospheric temperature - Wikipedia
Temperature varies greatly at different heights relative to the surface of the Earth; it is this variation which characterizes the four layers that exist in the atmosphere
- What Is… Earth’s Atmosphere? - NASA
Although we cannot directly see the atmosphere, it provides the air we breathe and protects us from harmful ultraviolet (UV) rays The atmosphere also works to trap heat and maintain moderate, habitable temperature ranges
- Atmosphere | Definition, Layers, Facts | Britannica
This article provides an overview of the physical forces that drive Earth’s atmospheric processes, the structure of the Earth’s atmosphere, and the instrumentation used to measure the Earth’s atmosphere
- Atmosphere - Simple English Wikipedia, the free encyclopedia
An atmosphere is a layer of gases that create an astronomical object, that is held in place by the gravity [1] A planet has an atmosphere when the gravity is great and the temperature of the atmosphere is low
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