jedinica ubrzanja

jedinica ubrzanja

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

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行业/领域：天文学
类别普通天文学
Company: Caltech
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jedinica

化学; 普通化学

A standard for comparison in measurements. For example, the meter is a standard length which may be compared to any object to describe its length.

izvedena jedinica

化学; 普通化学

Derived units are units constructed from the SI system's base units . For example, the SI unit for density is kg/m3, derived from the base units kg and m.

astronomska jedinica

天文学; 行星科学

The mean Earth-Sun distance, equal to 149. 5 million kilometers or 93 million miles.

absolutna jedinica

心理学; 行为分析

A unit of measurement whose value is defined in a fixed or unvarying manner independently of the phenomenon being measured.

astronomska jedinica

天文学; 普通天文学

1) Mean distance between the Earth and the Sun: 1.495985 × 1011 m. 2) The AU is the preferred unit for distances within the solar system. Mercury, the innermost planet, lies on ...

aktinoidi

天文学; 普通天文学

Elementi sa atomskim brojevima od 89 (Aktinij) i 103

aktinijum

天文学; 普通天文学

Mekan, srebrno-beli radioaktivni metal koji sija u mraku

akivna optika

天文学; 普通天文学

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

adaptivna optika

天文学; 普通天文学

Compensating for atmospheric distortions in a wavefront by high-speed changes in the shape of a small, thin mirror.

americijum

天文学; 普通天文学

radioactive silvery metal which does not occur naturally

ubrzanje

天文学; 普通天文学

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 ...

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Flojd Mejveder

Born Floyd Sinclair on February 24, 1977, an American professional boxer. He is a five-division world champion, where he won nine world titles in five ...