nebeski ekvator

nebeski ekvator

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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Industry/Domain: Astronomy
Category: Mars
Company: NASA
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ekvator

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An imaginary circle around a body which is everywhere equidistant from the poles, defining the boundary between the northern and southern hemispheres.

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prolecna ravnodnvevnica

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