- ALTAZIMUTH MOVEMENT
- حركة أفقية ورأسية
English-Arabic military dictionary. 2015.
ALTAZIMUTH MOVEMENT
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Altazimuth mount — An Altazimuth or alt azimuth mount is a simple mount used for moving a telescope, camera, helostatic mirror, or solar panel along two perpendicular axes of motion, one vertical and one horizontal. The vertical movement is known as the altitude ,… … Wikipedia
altazimuth mounting — a mounting with two axes, to allow movement in both horizontal and vertical planes, used with telescopes, antennas, and precise surveying instruments. [1875 80] * * * … Universalium
altazimuth mounting — a mounting with two axes, to allow movement in both horizontal and vertical planes, used with telescopes, antennas, and precise surveying instruments. [1875 80] … Useful english dictionary
Dobsonian telescope — A Dobsonian telescope on display at Stellafane in the early 1980s A Dobsonian telescope is an alt azimuth mounted newtonian telescope design popularized by the amateur astronomer John Dobson starting in the 1960s. Dobson s telescopes featured a… … Wikipedia
Stiction — is an informal portmanteau of the term static friction ( μ s), perhaps also influenced by the verb stick .Two solid objects pressing against each other (but not sliding) will require some threshold of force parallel to the surface of contact in… … Wikipedia
astronomical map — Introduction any cartographic representation of the stars, galaxies, or surfaces of the planets and the Moon. Modern maps of this kind are based on a coordinate system analagous to geographic latitude and longitude. In most cases, modern… … Universalium
Digital camera astrophotography — is astrophotography using common digital cameras mounted on clock driven telescopes. The cameras are typically medium to high range D SLRs with remote control, long exposure capability and high settings. Due to the wide field of the cameras… … Wikipedia
equatorial mount — (also equatorial mounting) noun Astronomy a telescope mounting with one axis aligned to the celestial pole, which allows the movement of celestial objects to be followed by motion about this axis alone. Compare with altazimuth (in sense 1) … English new terms dictionary
