casovni krug

casovni krug

A great circle of the celestial sphere passing through the celestial poles and a celestial body or the vernal equinox. An hour circle moves with the body as the celestial sphere rotates, unlike the celestial meridian of a point that remains fixed.

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

Mathematics; Geometry

The set of points on a plane at a certain distance (radius) from a certain point (center); a polygon with infinite sides.

krug

Mathematics; Algebra

The set of all points in a plane such that the distance (radius) from a given point (center of the circle) is constant.

krug

Mathematics; Algebra

The graph of a periodic function through one fundamental period.

jedinični krug

Mathematics; Algebra

Krug ciji je poluprečnik 1

upisani krug

Mathematics; Geometry

See circumscribed circle.

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 ...

Phobos

Astronomy; Mars

The larger and innermost of the planet Mars' two moons. Phobos was discovered by Asaph Hall on August 17, 1877. In Greek mythology, Phobos was the son of Ares (Mars) and Aphrodite ...

Deimos

Astronomy; Mars

The smaller and outermost of the planet Mars' two moons. Deimos was discovered by Asaph Hall on August 11, 1877. In Greek mythology, Deimos was the son of Ares (Mars) and ...

ultrajubicasto zracenje

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.

prolecna ravnodnvevnica

Astronomy; Mars

The position on the celestial sphere occupied by the sun on or about march 21 when its path on the ecliptic crosses the celestial equator going from south to north. This point is ...

zimski solsticij, kratkonevnica

Astronomy; Mars

The position on the ecliptic occupied by the sun about december 22 when it reaches its greatest southerly declination.

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Industry/Domain: Geography Category: Countries & Territories

Sveta gora

Greek mountain and pilgrimage site, known as the birthplace of early Christian Orthodox monasticism, housing around 20 Eastern Orthodox monasteries. ...