- optical double stars
- оптические двойные звезды
English-russian astronautics dictionary. - M.: Military Publishing house. Compiled by F. P. Suprun, K. V. Shirokov. 1964.
optical double stars
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optical double — noun A star that appears as a double due to an optical illusion; in reality, the stars may be far apart from each other … Wiktionary
double star — /ˈdʌbəl sta/ (say dubuhl stah) noun two stars so near to each other in the sky that they appear as one under certain conditions; optical double stars are two stars at greatly different distances but nearly in line with each other and the… …
double star — n. 1. BINARY STAR 2. two stars, along the same line of sight, that look like one star, or a binary star, but actually are very distant and physically unrelated; optical double … English World dictionary
Double star — For other uses, see Double star (disambiguation). In observational astronomy, a double star is a pair of stars that appear close to each other in the sky as seen from Earth when viewed through an optical telescope. This can happen either because… … Wikipedia
Double quasar — A pair of quasars may be referred to as a double quasar, if they appear close to each other in the sky. This pairing may result in a chance alignment, physical proximity, actual close physical interaction, or effects of gravity bending the light… … Wikipedia
double star — Astron. two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star), or those… … Universalium
optical pair — noun see optical double star * * * optical pair, a pair of stars that appear close together because they are in nearly the same direction in space. One such star may be much closer to earth than the other … Useful english dictionary
Double a occultation — Double à occultation Mesure d occultation d une étoile double Une étoile double à occultation est une étoile binaire dont les deux composantes sont successivement occultées par la Lune (ou un autre corps du système solaire) lors du mouvement… … Wikipédia en Français
Double À Occultation — Mesure d occultation d une étoile double Une étoile double à occultation est une étoile binaire dont les deux composantes sont successivement occultées par la Lune (ou un autre corps du système solaire) lors du mouvement relatif de ce corps par… … Wikipédia en Français
Double Cluster — Observation data (J2000.0 epoch) Constellation Perseus … Wikipedia
Double à occultation — Mesure d occultation d une étoile double Une étoile double à occultation est une étoile binaire dont les deux composantes sont successivement occultées par la Lune (ou un autre corps du système solaire) lors du mouvement relatif de ce corps par… … Wikipédia en Français
