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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Vārdšķira: noun
Sinonīms(-i):
Blossary:
Nozare/domēns: Astronomy
Category: Mars
Company: NASA
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Saistītie termini

Mars

Astronomy; Mars

Mars is the fourth planet from the Sun. Mars' diameter is 6,790 km and takes 687 days to orbit the Sun. Mars is named after the Roman god of war. In Eastern Asian cultures Mars is ...

ultravioletno zračenje

Astronomy; Mars

The invisible electromagnetic radiation beyond the violet end of the spectrum of visible light, of wavelengths ranging, roughly, from 4000 down to 400 angstroms.

topografija

Astronomy; Mars

The configuration of a land surface, including its relief.

masa

Astronomy; Mars

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.

džul

Astronomy; Mars

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.

crno tijelo

Astronomy; Mars

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 ...