optical observations
1Optical astronomy — has two meanings:* In popular culture optical astronomy encompasses a wide variety of observations via telescopes that are sensitive in the range of visible light. Scientists would call this visible light astronomy. It includes imaging , where a… …
2Optical Gravitational Lensing Experiment — (OGLE, буквально Оптический Эксперимент по Гравитационному Линзированию)  польско американский астрономический проект по изучению темной материи при помощи метода гравитационного микролинзирования. Проект был основан в 1992, под руководством …
3Optical telescope — Eight Inch refracting telescope (Chabot Space and Science Center) An optical telescope is a telescope which is used to gather and focus light mainly from the visible part of the electromagnetic spectrum for directly viewing a magnified image for… …
4Optical Gravitational Lensing Experiment — OGLE telescope at the Las Campanas Observatory …
5Optical phenomenon — An optical phenomenon is any observable event that results from the interaction of light and matter. See also list of optical topics and optics. A mirage is an example of an optical phenomenon. Common optical phenomena are often due to the… …
6Optical Gravitational Lensing Experiment — 29° 00′ 36″ S 70° 41′ 56″ W / 29.010, 70.699 …
7Optical parallax — Parallax Par al*lax, n. [Gr. ? alternation, the mutual inclination of two lines forming an angle, fr. ? to change a little, go aside, deviate; para beside, beyond + ? to change: cf. F. parallaxe. Cf. {Parallel}.] 1. The apparent displacement, or… …
8optical astronomy — noun a) Astronomy using observations using telescopes and recording media that <!are sensitive in the range ofcapture visible light. b) Astronomy using infrared, visible and/or ultraviolet wavelengths. Syn: visible light, astronomy …
9National Optical Astronomy Observatory — The National Optical Astronomy Observatory (NOAO) is the United States national observatory for ground based nighttime ultraviolet optical infrared (OUVIR) astronomy. The National Science Foundation (NSF) funds NOAO to provide forefront… …
10Astronomical optical interferometry — One of the first astronomical interferometers was built on the Mount Wilson Observatory s reflector telescope in 1920 in order to measure the diameters of stars. The red giant star Betelgeuse was among the first to have its diameter determined in …
