активна галаксија

активна галаксија

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 of non-thermal radiation.

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Industrie/Domein: Astronomy
Category: General astronomy
Company: Caltech
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галаксија

Geography; Physical geography

An assemblage of millions to hundreds of billions of stars.

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Astronomy; Galaxy

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Software; Computer; Operating systems

In iPhone OS, used to describe an audio session state in which playback or recording can proceed. Compare inactive.

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Astronomy; General astronomy

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 оптика

Astronomy; General astronomy

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

единица на забрзување

Astronomy; General astronomy

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

зголемување

Astronomy; General astronomy

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

Astronomy; General astronomy

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

ахроматски објектив

Astronomy; General astronomy

A lens of two or more components with different refraction indices (e.g., crown glass and flint glass), used to correct for chromatic aberration.

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сендвичи

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