prolecna ravnodnvevnica

prolecna ravnodnvevnica

The position on the celestial sphere occupied by the sun on or about march 21 when its path on the ecliptic crosses the celestial equator going from south to north. This point is also called the march equinox and the first point of aries.

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Secteur d’activité/Domaine : Astronomie
Catégorie : Mars
Company: NASA
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