атмосфера

атмосфера

Mantle of gases round a star planet or moon, sometimes even forming the apparent surface of the body. For a body to retain an atmosphere depends on the body's gravity, and the temperature and composition of the gases. Mean atmospheric pressure at the surface is 10330 kg/m2, and is also referred to as atmosphere.

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품사: 명사
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분야/도메인: 천문학
카테고리: 일반 천문학
Company: Caltech
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неутрална атмосфера

지리; 자연지리학

Condition in the atmosphere where isolated air parcels do not have a tendency to rise or sink. The parcels of air tend to be same temperature as the air that surrounds them.

ахроматска леќа

천문학; 일반 천문학

Lens (or combination of lenses) that brings different wavelenghts within a ray of light to a single focus, thus overcoming chromatic aberration. It was first successfully made by ...

активна галаксија

천문학; 일반 천문학

1) Active galactic nuclei are very luminous. Their energy output is in two forms: nonthermal continuum and thermal emission line. 2) Any galaxy which is emitting large quantities ...

активна оптика

천문학; 일반 천문학

Controlling the shape of a telescope mirror at a relatively slow rate.

единица на забрзување

천문학; 일반 천문학

A unit for measuring acceleration, which is metre per second squared.

зголемување

천문학; 일반 천문학

1) A process by which a star accumulates matter as it moves through a dense cloud of interstellar gas; or, more generally, whereby matter surrounding a star flows toward it (as in ...

теорија на акумулација

천문학; 일반 천문학

The theory by which planetesimals are assumed to collide with one another and coalesce, eventually sweeping up enough material to form the planets.

뉴스 속의 용어

вселенски шатл

A reusable spacecraft with wings developed by the U.S. National Aeronautics and Space Administration (NASA) for human spaceflight missions. The first ...