астрометрија

астрометрија

The branch of astronomy that deals with measuring the positions of celestial objects, especially stars. Astrometrists measure parallaxes and proper motions, which allow astronomers to determine the distances and velocities of the stars.

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Kalbos dalis: noun
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Pramonės šaka / sritis: Astronomy
Category: General astronomy
Company: Caltech
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ахроматска леќа

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 галаксија

Astronomy; General astronomy

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

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.

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Pramonės šaka / sritis: Tobacco Category: Smoking equipment

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Запалката е преносливо средство кое се користи за генерирање на пламен. Таа се состои во контејнер со запалива течност, средство за палење, и некои ...