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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Частина мови: noun
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Галузь/тема: Astronomy
Category: General astronomy
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vrimë e zezë

Physics; General physics

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

vrimë e zezë

Astronomy; Galaxy

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

Geography; Physical geography

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

Medical; Implants and interventional materials

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

vrimë e çelësit ose kyç

Sports; Basketball

(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

Astronomy; General astronomy

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

Astronomy; General astronomy

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

Astronomy; General astronomy

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

Astronomy; General astronomy

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

Astronomy; General astronomy

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

Astronomy; General astronomy

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 ...

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Галузь/тема: Holiday Category: Unofficial holidays

Smokeout Great American

Observed every year since 1977, the Great American Smokeout takes place on the third Thursday of November. Sponsored by the American Cancer Society, ...