General astronomy

General astronomy

Industry: Astronomi

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General astronomy

ekinoks

Astronomi; Genel astronomi

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 precession, this ...

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 of JD was introduced ...

günmerkezli

Astronomi; Genel astronomi

Güneşe bakarak. Güneş merkezli yörünge biridir tarih Pzr tabanlı (eliptik) yörünge iki resimde biri olarak (veya dairesel bir yörünge merkezi olarak); 1 Güneş merkezli bir mesafeden görülebilir gibi ...

jülyen yıl

Astronomi; Genel astronomi

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 half a day different ...