EntityQ506922· pop 39· linked from 333 articlesadaptive opticsSign in to saveTechnique used to improve performance of optical systems by compensating for distortionsConnectionslaserEntityangular diameterEntitywavefrontEntityminute and second of arcEntitySunConceptastronomyEntitySolar SystemEntitySoviet UnionConceptCold WarEntityMilky WayEntitysodiumEntityInternational Standard Book NumberEntitytelescopeEntityBBCConceptatmosphereEntityartificial satelliteEntityultraviolet radiationEntityinfrared radiationEntityHubble Space TelescopeEntityastronomical objectEntityCategoriesAstronomical imagingOptical devicesTelescopes