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An atmosphere (from Ancient Greek ἀτμός (atmós) 'vapour, steam', and σφαῖρα (sphaîra) 'sphere') is a layer of gasses that envelop an astronomical object, held in place by the gravity of the object. A planet retains an atmosphere when the gravity is great and the temperature of the atmosphere is low.
Jun 3, 2024 · Atmosphere, the gas and aerosol envelope that extends from the ocean, land, and ice-covered surface of a planet outward into space. The density of the atmosphere decreases outward, because the planet’s gravitational attraction, which pulls the gases and aerosols inward, is greatest close to the surface.
Oct 19, 2023 · Earth’s atmosphere is composed of about 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.1 percent other gases. Trace amounts of carbon dioxide, methane, water vapor, and neon are some of the other gases that make up the remaining 0.1 percent.
The atmosphere of Earth is composed of a layer of gas mixture that surrounds the Earth's planetary surface (both lands and oceans), known collectively as air, with variable quantities of suspended aerosols and particulates (which create weather features such as clouds and hazes), all retained by Earth's gravity.
May 13, 2024 · “The Earth’s atmosphere allows life to exist. . . like a protective bubble that surrounds the planet,” stated Ueyama. Although we cannot directly see the atmosphere, it provides the air we breathe and protects us from harmful ultraviolet (UV) rays.
Each of the planets in our solar system has an atmosphere, but none of them have the same ratio of gases or layered structure as Earth's atmosphere. Nitrogen and oxygen are by far the most common gases in our atmosphere.
The meaning of ATMOSPHERE is the gaseous envelope of a celestial body (such as a planet). How to use atmosphere in a sentence.
the mixture of gases around the earth: These factories are releasing toxic gases into the atmosphere. [ C ] a mixture of gases that surrounds any planet: the search for planets with a breathable atmosphere. B2 [ S ] the air that you breathe in a place: The atmosphere in the room was so stuffy I could hardly breathe.
The atmosphere is the layer of gases surrounding a planet. Know about atmosphere layers, composition of atmosphere and about each layer @BYJU'S.
Apr 18, 2018 · Atmosphère is a work-in-progress customized firmware for the Nintendo Switch. - Atmosphere-NX/Atmosphere
