телескоп-рефрактор

телескоп-рефрактор

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 reflectors.

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Settore/Dominio: Astronomia
Categoria: Astronomia (generale)
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Acronimo - Abbreviazione:

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телескоп

Istruzione; Vocabolario SAT

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атомдық нөмір (заряд нөмірі)

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The number of protons in an atom's nucleus. This determines the type of element.

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Astronomia; Astronomia (generale)

the light produced by excited atoms and ions in the upper atmosphere of a planet

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1) Angular distance from the north point eastward to the intersection of the celestial horizon with the vertical circle passing through the object and the zenith. 2) Directional ...

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Settore/Dominio: Astronomia Categoria: Galassia

Рождестволық көпіршік

The giant intergalactic bubble of gas floating in space. It's the remnant of a massive star explosion, or supernova, in the Large Magellanic Cloud ...