aktinid

aktinid

Element sa atomskim brojem između 89 ( Aktinijum ) i 103.

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Part of Speech: noun
Synonym(s):
Blossary:
Industry/Domain: Astronomy
Category: General astronomy
Company: Caltech
Product:
Acronym-Abbreviation:

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Astronomy; General astronomy

The point directly overhead in the sky.

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Astronomy; General astronomy

A telescope that uses as its primary optical element a lens. Binoculars are a type of refractor. In general, refractors are much more expensive to build and buy than are ...

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Astronomy; General astronomy

A telescope that uses as its primary optical element a mirror. Nearly all large telescopes in use today by amateur and professional astronomers are reflecting telescopes.

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Astronomy; General astronomy

In astronomy, the measurement of the light emitting from astronomical objects, generally in the visible or infrared bands, in which a specific or general wavelength band is ...

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The apparent displacement or the difference in apparent direction of an object as seen from two different points not on a straight line with the object (as from two different ...