vrimë

vrimë

The size of the primary optical surface of an astronomical instrument (telescope), usually given in inches, centimeters, or meters. In the case of a reflecting telescope, the aperture usually refers to the size of the main mirror; in the case of a refracting telescope (of which binoculars are one example), the aperture refers to the size of the primary lens (which in binoculars is usually given in millimeters).

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Kategori: Astronomi secara umum
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vrimë e zezë

Fisika; Fisika secara umum

The remaining core of a supernova that is so dense that even light cannot escape.

vrimë e zezë

Astronomi; Galaksi

A black hole is the circular dark space that sits at the center of a galaxy which absorbs everything including light so nothing can be reflected or escaped from it. Around a black ...

vrimë e ozonit

Geografi; Lokasi fisik

Is a sharp seasonal decrease in stratospheric ozone concentration that occurs over Antarctica in the spring. First detected in the late 1970s, the ozone hole continues to appear ...

vrimë kafke

Medis; Implants and interventional materials

hole drill in the skull to facilitate the implant of dbs lead

vrimë e çelësit ose kyç

Olahraga; Bola basket

(basketball term) the area at each end of the court consisting of the foul circle, foul lane and free-throw line; named for the shape it had years ago.

vit julian

Astronomi; Astronomi secara umum

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

Astronomi; Astronomi secara umum

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

Astronomi; Astronomi secara umum

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

Astronomi; Astronomi secara umum

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

Astronomi; Astronomi secara umum

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

Astronomi; Astronomi secara umum

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 ...