angular resolution
61Gamma (satellite) — Infobox Space telescope name = Gamma caption = organization = RKA major contractors = alt names = nssdc id = location = Earth orbit orbit type = height = 375 km period = velocity = accel gravity = launch date = 11 July 1990 launch location =… …
62optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …
63Diffraction — Computer generated intensity pattern formed on a screen by diffraction from a square aperture …
64Ronald N. Bracewell — Infobox Scientist name = Ronald N. Bracewell box width = image width = caption = birth date = Birth date|1921|07|22 birth place = Sydney, New South Wales, Australia death date = Death date and age|2007|08|12|1921|07|22 death place = Stanford,… …
65Hinode — Infobox Space telescope name = Hinode caption = Artist s impression of the Hinode spacecraft (then known as Solar B) in orbit organization = JAXA / NASA / PPARC alt names = Solar B nssdc id = location = orbit type = sun synchronous orbit height …
66TWINS — This article is about the NASA instruments. For other uses of Twins , see Twins (disambiguation). TWINS Operator NASA Instrument Type …
67Diffraction-limited system — Memorial to Ernst Karl Abbe, who approximated the diffraction limit of a microscope as , where d is the resolvable feature size, λ is the wavelength of light, n is the index of refraction of the medium being imaged in, and θ (depicted as α in the …
68eclipse — eclipser, n. /i klips /, n., v., eclipsed, eclipsing. n. 1. Astron. a. the obscuration of the light of the moon by the intervention of the earth between it and the sun (lunar eclipse) or the obscuration of the light of the sun by the intervention …
69Eye — For other uses, see Eye (disambiguation), Ocular (disambiguation), Ocular, and Oculus. For taxon specific articles, see human eye, simple eye in invertebrates, mollusc eye, and arthropod eye. Eye …
70BY Bootis — Constelación Boötes Ascensión recta α 14h 07min 55,76s Declinación δ +43º 51’ 16,0’’ Distancia …
