perihelion paraprak

perihelion paraprak

The slow rotation of the major axis of a planet's orbit in the same direction as the revolution of the planet itself, due to gravitational interactions with other planets and/or other effects (such as those due to general relativity.)

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التحسين

إضافة صورة

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

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perihelion

علم الفلك; المريخ

The point in the orbit of a planet where it is nearest to the sun.

perihelion

علم الفلك; فلك عام

The point where (and when) an object orbiting the sun is closest to the sun.

paraprake perde

الفنون التمثيليلة; مسرح

A one-act play performed before the main play in the 19th Century.

përcaktim paraprak

خدمات قانونية; براءات الاختراع والعلامات التجارية

designation of a Contracting State in an international application filed under the Patent Cooperation Treaty which must be confirmed prior to 15 months from the priority date.

përvetësim paraprak

البيئة الطبيعية; الماء

një doktrinë e ligjit të ujit që ndan të drejtat për të përdorur ujin i pari në kohë, i pari në të djathtë,ne bazë.

vit julian

علم الفلك; فلك عام

Exactly 365. 25 days, in which a century (100 years) is exactly 36525 days and in which 1900. 0 corresponds exactly to 1900 January 0. 5 (from the Julian-date system, which is ...

heliocentrik

علم الفلك; فلك عام

Referring to the sun. A heliocentric orbit is one based on the sun as one of the two foci of the (elliptical) orbit (or as the center of a circular orbit); a heliocentric ...

datë juliane

علم الفلك; فلك عام

The interval of time in days (and fraction of a day) since Greenwich noon on Jan. 1, 4713 BC. The JD is always half a day off from Universal Time, because the current definition ...

ekuinoks

علم الفلك; فلك عام

Either of the two points (vernal, autumnal) on the celestial sphere where the ecliptic (which is the apparent path of the sun on the sky) intersects the celestial equator. Due to ...

shtrirje

علم الفلك; فلك عام

Angular distance of a celestial object from the sun in the sky. In standard ephemerides, this is usually denoted by the Greek letter epsilon (or by the abbreviation "Elong. "). A ...

pjerrësi

علم الفلك; فلك عام

One element of the astronomical coordinate system on the sky that is used by astronomers. Declination, which can be thought of as latitude on the earth projected onto the sky, is ...