josferik

josferik

An optical surface with departures in shape from a perfect sphere in order to cancel optical imperfections or aberrations.

0 0

Improve it

Add an image

Part of Speech: noun
Synonym(s):
Blossary:
Industry/Domain: Astronomy
Category: General astronomy
Company: Caltech
Product:
Acronym-Abbreviation:

Collect to Blossary

Other Languages:

Related terms

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 ...

Terms in the News

Featured Terms

ilirejupi

0
Terms
0
Blossaries
6
Followers

Industry/Domain: Arts & crafts Category: Oil painting

Kopshti i begatshëm Tokësore

Bosch's most famous and unconventional picture, The Garden of Earthly Delights was painted between 1490 and 1510. The oil painting is on three panels, ...