Ректасцензија

Ректасцензија

A celestial coordinate; it is the angular distance measured from the vernal equinox eastward along the celestial equator to the hour circle of a given star or other celestial body. It can be defined also as the arc of the celestial equator or the angle at the celestial pole between the hour circle of the vernal equinox and the hour circle of the body.

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Частина мови: noun
Синонім(и):
Blossary:
Галузь/тема: Astronomy
Category: Mars
Company: NASA
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ректасцензија (РА)

Astronomy; Planetary science

Небеско координира која је еквивалентна дужини објекта на Земљи. Полазна тачка за географске дужине на Земљи је у Греенвицх Енглеској, док је у небеске координатном систему је то ...

crno telo

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 ...

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.

fluorescencija

Astronomy; Mars

The emission of electromagnetic radiation as the result of exposure to some other radiation, which emission ceases when the stimulus that produces it ceases to act on the emitting ...

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.

ugljendioksid

Astronomy; Mars

A gas used by all green plants and recycled by them to form wood and the oxygen we breathe. In very large quantities it can be poisonous to animal life.