Ректасцензија

Ректасцензија

A celestial coordinate; it is the angular distance measured from the vernal equinox eastward along the celestial equator to the hour circle of a given star or other celestial body. It can be defined also as the arc of the celestial equator or the angle at the celestial pole between the hour circle of the vernal equinox and the hour circle of the body.

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Industrie/Domeniu: Astronomie
Categorie: Marte
Company: NASA
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