zenit

zenit

The point of the celestial sphere directly overhead, 90 degrees above the horizon, for any point on earth; it is the point where a plumb line extended upward would intersect the celestial sphere.

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Частина мови: noun
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Галузь/тема: Astronomy
Category: Mars
Company: NASA
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Mars

Astronomy; Mars

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The configuration of a land surface, including its relief.

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The amount of matter in a body, which should not be confused with weight. The same object will have different weights in space and earth but the mass remains constant.

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The s. I. Unit of energy, work, or quantity of heat. It is the force of one newton acting over a distance of a meter.

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An ideal or imaginary body that is absolutely black when cold, but is a perfect absorber of radiation and at the same time a perfect radiator. Black body temperatures are used to ...