optical interferometer
81laser — /lay zeuhr/, n. Physics. a device that produces a nearly parallel, nearly monochromatic, and coherent beam of light by exciting atoms to a higher energy level and causing them to radiate their energy in phase. Also called optical maser. [1955 60; …
82Altair — This article is about the star in the constellation Aquila. For other uses, see Altair (disambiguation). Altair …
83United States Naval Observatory — USNO redirects here. For other uses, see USNO (disambiguation). The Seal of the USNO with a quote from the Astronomicon, Adde guberandi studium: Pervenit in astra, et pontum caelo conjunxit, Increase the study of navigation: it arrives in the… …
84Capella (star) — For other uses, see Capella (disambiguation). Capella Aa/Ab Capella is the brightest star in Auriga Observation data Epoch J2000.0     …
85United States Naval Observatory — Luftansicht des USNO Das United States Naval Observatory (USNO) ist ein Forschungsinstitut der US Marine. Es befindet sich im nordwestlichen Teil von Washington, D.C.. Inhaltsverzeichnis …
86Outline of astronomy — Mauna Kea in Hawaii is one of the world s premier observatory sites. Pictured is the W. M. Keck Observatory, an optical interferometer. The following outline is provided as an overview of and topical guide to astronomy: Astronomy – studies the… …
87Lowell Observatory — Infobox Observatory name = Lowell Observatory caption = The Clark Telescope Dome on Mars Hill organization = Private institution code=690 location = Flagstaff, Arizona coords = coord|35|12|10|N|111|39|52|W| altitude = 7,250 feet (2175 m) weather …
88United States Naval Observatory Flagstaff Station — Infobox Observatory name = United States Naval Observatory Flagstaff Station caption = organization = United States Naval Observatory location = Flagstaff, Arizona coords = coord|35|11|03|N|111|44|25|W| altitude = 7541 feet (2262 meters) weather …
89Speckle imaging — (also known as video astronomy ) describes a range of high resolution astronomical imaging techniques based either on the shift and add ( image stacking ) method or on speckle interferometry methods. These techniques can dramatically increase the …
90Mizar A — Zeta Ursae Majoris Zeta Ursae Majoris (ζ UMa / ζ Ursae Majoris) Données d observation (Époque J2000.0) Ascension droite 13h 23m 55,5s …
