небески екватор

небески екватор

The great circle of the celestial sphere all points of which are 90 degrees from the poles. It is the plane of the earth's equator projected onto the celestial sphere.

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Μέρος του λόγου: noun
Συνώνυμο(α):
Blossary:
Κλάδος/Τομέας: Αστρονομία
Category: Mars
Company: NASA
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