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An atmosphere (from Ancient Greek ἀτμός (atmós) 'vapour, steam' and σφαῖρα (sphaîra) 'sphere') [1] is a layer of gases 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.
A meteorologist is a scientist who studies and works in the field of meteorology aiming to understand or predict Earth's atmospheric phenomena including the weather. [1] Those who study meteorological phenomena are meteorologists in research, while those using mathematical models and knowledge to prepare daily weather forecasts are called weather forecasters or operational meteorologists.
The Earth's atmosphere is the origin of the weather phenomena studied in meteorology. Atmospheric composition, temperature, and pressure vary across a series of distinct sublayers including the troposphere and stratosphere. The properties of Earth's atmosphere vary by altitude across a series of distinct layers. atmospheric boundary layer (ABL)
Fragments of lava or rock less than 1 ⁄ 3 centimetre (0.13 in) in diameter that have been ejected into the atmosphere by a volcanic explosion. [3] aspect. Also exposure. The direction toward which a slope faces with respect to a compass or to the Sun's position in the sky, [5] or the direction which a segment of coastline faces as it meets ...
The atmosphere of the Earth serves as a key factor in sustaining the planetary ecosystem. The thin layer of gases that envelops the Earth is held in place by the planet's gravity. Dry air consists of 78% nitrogen , 21% oxygen , 1% argon , inert gases and carbon dioxide .
The lingering effects of a high pressure system will conspire with an approaching storm from the Midwest to make a mess across much of the East.
When they retired, the Leedys lived in Alexandria, Virginia, an affluent, high-cost Washington, D.C., suburb. “My mother was 92, and we knew we had to have her live with us, as she could not ...
In physical geography, a place includes all of the physical phenomena that occur in space, including the lithosphere, atmosphere, hydrosphere, and biosphere. [12] Places do not exist in a vacuum and instead have complex spatial relationships with each other, and place is concerned how a location is situated in relation to all other locations.