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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التحسين

إضافة صورة

نوع المصطلح: اسم
المرادف (المرادفات)
مسرد المصطلحات
المجال / النطاق: علم الفلك
الفئة: المريخ
Company: NASA
المنتج:
الاختصار-المختصر:

المزيد

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انظر المصطلحات المشابهة

krug

رياضيات; علم الهندسة

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

krug

رياضيات; علم الجبر

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

krug

رياضيات; علم الجبر

The graph of a periodic function through one fundamental period.

jedinični krug

رياضيات; علم الجبر

Krug ciji je poluprečnik 1

upisani krug

رياضيات; علم الهندسة

See circumscribed circle.

Mars

علم الفلك; المريخ

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

علم الفلك; المريخ

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

علم الفلك; المريخ

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

علم الفلك; المريخ

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

علم الفلك; المريخ

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 ...