The acronyms listed below were placed into one or more of these categories:
* AstrophysicsTerminologia terminologydell'astrofisica – ''a general category for physics-related acronyms''
* [[Astronomicalcatalogo catalogastronomico|CatalogCatalogo]] – ''a category for collections of tabulated scientific data''
* CommunicationsRete networkdi comunicazione – ''a category that includes any network that functions primarily to communicate with [[spacecraft]] rather than performing astronomy''
* Data – ''a general category for astrophysical data not associated with any single catalog or observing program''
* [[AstronomicalCorpo object|Celestial objectceleste]] – ''a category that contains acronyms for natural objects in space and for adjectives applied to objects in space''
* [[InstrumentationStrumentazione]] – ''a category for telescope and other spacecraft equipment, particularly detectors such as imagers and [[spectrometer]]s''
* Meeting – ''a category for acronyms used to describe meetings that are not named after organizations''
* ObservingProgramma programosservativo – ''an astronomical program, often a survey, performed by one or more individuals; may also refer to the group that performs the survey''
* OrganizationOrganizzazione – ''a category for any large private organization, government organization, or company''
* PersonPersona – ''a category form terms that refer to individual people''
* PublicationPubblicazione – ''a category for acronyms used for magazines, scientific journals, and similar astronomy-related publications''
* Software – ''a category for all software except catalogued data (which is listed under "catalog") and scientific images''
* [[Spacecraft]] – ''a category that includes all spacecraft except space telescopes''
* [[TelescopeTelescopio]] – ''a category that includes both ground-based and space telescopes; organizations that operate telescopes (for example, the [[National Optical Astronomy Observatory|National Optical Astronomy Observatory (NOAO)]]) are listed under "organization"''
== B ==
* [[Catalogo Barnard|B]] – (''catalogo'') "Barnard Catalogue", ''Catalogo Barnard''
* BAA – (''organizzazione'') "British Astronomical Association"
* [[Bulletin of the American Astronomical Society|BAAS]] – (''pubblicazione'') Bulletin of the American Astronomical Society
* BAC – (''catalogo'') "Bordeaux Astrographic Catalog", ''Catalogo Astrografico Bordeaux''
* [[Beijing Astronomical Observatory|BAO]] – (''organizzazione'') "Beijing Astronomical Observatory"
* BASIS – (''programma osservativo'') "Burst and All Sky Imaging Survey"
* BAT – (''strumentazione'') "Burst Alert Telescope", ''uno strumento dello [[Swift Gamma- Ray Burst MissionExplorer|SWIFT]]''
* BATC – (''programma osservativo'') "Beijing-Arizona-Taiwan-Connecticut", ''il nome di una multi-lunghezza d'onda sky survey''
* BATSE – (''strumentazione'') "Burst and Transient Source Experiment", ''uno strumento del [[Compton Gamma-Ray Observatory]]''
* [[Bisei Asteroid Tracking Telescope for Rapid Survey|BATTeRS]] – (''telescopio'') "Bisei Asteroid Tracking Telescope for Rapid Survey"
* [[Black Body|BB]] – (''terminologia dell'astrofisica'') "Black Body", ''[[Corpo nero]]''
* [[Broad Band X-ray Telescope|BBXRT]] – (''telescopio'') "Broad Band X-Ray Telescope"
* [[Bluenan compactblu dwarfcompatta|BCD]] – (''corpooggetto celeste'') "Blue Dwarf Compact", ''Nana blu compatta''
* BCD – (''software'') "Basic Calibrated Data", ''dati ottenuti dopo l'elaborazione base''
* [[Variabile Beta Cephei|BCEP]] – (''Corpooggetto celeste'') "Beta CEPhei", ''una classe di [[stelle variabili pulsanti]], per le quali [[Beta Cephei]] è il prototipo''
** ''anche'' BCE
* [[Blue compact dwarf|BCG]] – (''Corpocorpo celeste'') "Blue Compact Galaxy", ''altro nome delle [[nane blu compatte]]'', anche Bright Central Galaxy
* [[Brightest Cluster Galaxy|BCG]] – (''Corpooggetto celeste'') "Brightest Cluster Galaxy", ''illa più luminosa galassia di un'ammasso di galassie ''
* BCVS – (''catalogcatalogo'') "Bibliographic Catalogue of Variable Stars", ''Catalogo bibliografico delle stelle variabili''
* [[Bonner Durchmusterung|BD]] – (''catalogcatalogo'') "Bonner Durchmusterung"
* [[Brown Dwarf|BD]] – (''celestialoggetto objectceleste'') "Brown Dwarf", ''[[nana bruna]]''
* BEN – (''catalogcatalogo'') "Jack Bennett catalog", ''aun catalogcatalogo di ofoggetti deep-skydel objectsprofondo forcielo amateurper astronomersastrofili''
* BEL – (''celestialoggetto objectceleste'') "broad emission line clouds in [[Active galactic nucleus", ''grandi nubi di polvere nei [[Nuclei di galassie attive]]''<ref>[http://arxiv.org/abs/astro-ph/0407404 The Origin of Fe II Emission in AGN], J.A. Baldwin et al. 2004</ref>
* BF – (''astrophysicsterminologia terminologydell'astrofisica'') "Broadening Function"
* [[Black Hole|BH]] – (''celestialoggetto objectceleste'') "Black Hole", ''[[Buco nero]]''
* [[Blue Horizontal Branch|BHB]] – (''celestialoggetto objectceleste'') "Blue Horizontal Branch", ''auna descriptiondescrizione fordi aun typetipo ofdi luminousstelle starluminose''
* [[Black Hole|BHC]] – (''celestialoggetto objectceleste'') "Black Hole Candidate" ''candidato ad essere un buco nero''
* [[Black Hole X-Ray Transient|BHXRT]] – (''celestial object'') "Black Hole X-Ray Transient", ''[[buco nero a raggi-X transiente]]''
** ''alsoanche'' BHXT
* [[Berkeley-Illinois-Maryland Association|BIMA]] – (''organizationorganizzazione'' & ''telescopetelescopio'') "Berkeley-Illinois-Maryland Association", ando alsoanche "B-M-I Array", '' [[microwave]]telescopio telescopea itmicroonde operated''
* [[British Interplanetary Society|BIS]] – (''organizationorganizzazione'') "British Interplanetary Society"
* [[BITP]] – (''organizationorganizzazione'') – "[[Bogolyubov Institute for Theoretical Physics]]", ''a Ukrainianun istituto di researchricerca instituteucraino''
* [[Oggetto BL Lac objectLacertae|BLLAC]] – (''celestialoggetto objectceleste'') "BL LACertae", ''auna classclasse ofdi [[activegalassie galaxiesattive]] forper whichle quali [[BL Lacertae]] is theè archetypalil objectprototipo''
** ''alsoanche'' BLL
* [[BLAST (telescopetelescopio)|BLAST]] – (''telescopetelescopio'') – "Balloon-borne Large Aperture Submillimeter Telescope"
* [[British National Space Centre|BNSC]] – (''organizationorganizzazione'') "British National Space Centre", ''theil oldervecchio name fornome dell'[[UK Space Agency|UKSA]]''
* [[Bohyunsan Optical Astronomy Observatory|BOAO]] – (''observatoryosservatorio'') "Bohyunsan Optical Astronomy Observatory", ''in Korea''
* BPM – (''catalogcatalogo'') "Bruce Proper Motion"
* [[BlueSupergigante supergiantblu|BSG]] – (''celestialoggetto objectceleste'') "Blue Super Giant", ''Supergigante blu''
* [[BlueStella Stragglervagabonda blu|BSS]] – (''celestialoggetto objectceleste'') "Blue Straggler Star", ''stella vagabonda blu''
** ''alsoanche'' BS
* [[Bigelow Sky Survey|BSS]] – (''observingprogramma programosservativo'') "Bigelow Sky Survey"
* [[Variabile BY Draconis variable|BY]] – (''celestialoggetto objectceleste'') "BY Draconis", ''auna classclasse of rotatingdi [[variablestelle starvariabili]]s forper whichle quali [[BY Draconis]] is theè archetypalil objectprototipo''
== C ==
* [[Catalogo Cambridge|C]] - (''catalogo'') "Cambridge Catalog", catalogo Cambridge; 2C ([[Second Cambridge Catalog]]), 3C ([[Third Cambridge Catalog]])
* [[Canadian Astronomy Data Centre|CADC]] – (''organizationorganizzazione'') "Canadian Astronomy Data Centre"
* [[Calar Alto Observatory|CAHA]] – (''organizationorganizzazione'') "Centro Astronómico Hispano Alemán", ''aun German-SpanishCentro AstronomicalAstronomico CentreTedesco-Ispanico''
* CANDELS – (surveysondaggio) "Cosmic Assembly Near-Infrared Deep Extragalactic Legacy Survey" oro "Cosmic Assembly and Dark Energy Legacy Survey"
* [[Cassini Plasma Spectrometer|CAPS]] – (''instrumentationstrumentazione'') "Cassini Plasma Spectrometer", ''anuno instrumentstrumento ondella thesonda [[Cassini–Huygens|Cassini-Huygens]] spacecraft''
* [[California Association for Research in Astronomy|CARA]] – (''organizationorganizzazione'') "California Association for Research in Astronomy"
* [[Center for Astrophysical Research in Antarctica|CARA]] – (''organizationorganizzazione'') "Center for Astrophysical Research in Antarctica" ''Centro per la ricerca dell'astrofisica in Antartide''
* [[Canadian Astronomical Society|CASCA]] – (''organizationorganizzazione'') "Canadian Astronomical Society" / "Société canadienne d'astronomie" (the nameil isnome officiallyè bilingualufficialmente bilingue)<ref>{{citecita web|url=http://www.casca.ca/ |titletitolo=CASCA | Canadian Astronomical Society | Société Canadienne d'Astronomie |publishereditore=Casca.ca |datedata= |accessdateaccesso=2012-02-22}}</ref>
* [[Center for Advanced Space Studies|CASS]] – (''organizationorganizzazione'') "Center for Advanced Space Studies", ''centro per gli studi spaziali avanzati''
* [[CosmicRadiazione Backgroundcosmica Radiationdi fondo|CBR]] – (''celestialoggetto objectceleste'') "Cosmic Background Radiation", ''Radiazione cosmica di fondo''
* CC – (''celestialoggetto objectceleste'') "Candidate Companion", ''acompagno newlycandidato: detectedun observedoggetto objectappena thatrilavato, initiallydi appearscui tonon si sa con certezza l'esistenza rilevato in un'orbita orbitdiversa anotherdal celestialcompagno objectprincipale''
* [[charge-coupled device|CCD]] – (''instrumentationstrumentazione'') "Charge Coupled Device"
* [[Color-color diagram|CCD]] – (''astrophysicsterminologia terminologydell'astrofisica'') – "Color-Color Diagram", ''aun plotgrafico thatche comparescompara thele differencesdifferenze betweendi magnitudes[[magnitudine]] in differentdifferenti wavelunghezze bandsd'onda''
* CCDM – (''catalogcatalogo'') "Catalog of Components of Double and Multiple Stars", ''un catalogo di componenti in sistemi binari o multipli''
* CCO – (''catalogcatalogo'') "Catalogue of Cometary Orbits", ''catalogo di orbite cometarie''
* CCO – (''celestialoggetto objectceleste'') "Central Compact Object", ''auna [[compactstella starcompatta]] innel thecentro centerdi of auna [[planetarynebulosa nebulaeplanetaria]]''
* [[carbonstella staral carbonio|CCS]] – (''celestialoggetto objectceleste'') "Cool Carbon Star"
* [[Cordoba Durchmusterung|CD]] – (''catalogcatalogo'') "Cordoba Durchmusterung"
* CDIMP – (''catalogcatalogo'') "Catalogue of Discoveries and Identifications of Minor Planets", ''catalogo di scoperte e identificazioni di pianeti Minori''
* [[Coldmateria darkoscura matterfredda|CDM]] – (''astrophysicsterminologia terminologydell'astrofisica'') "Cold Dark Matter", ''usedusato toper describedescrivere modelsmodelli fore structurestrutture formationdi informazione thenell'universo, universeincluse that includeparticelle "coldfredde" particles such asdi [[Weakly Interacting Massive Particle|WIMPs]] ase [[darkmateria matteroscura]]''
* [[Centre de Données astronomiques de Strasbourg|CDS]] – (''organizationorganizzazione'') "Centre de Données astronomiques de Strasbourg"
* [[Thirty Meter Telescope|CELT]] – (''telescope'') – California Extremely Large Telescope, ''an older name for the Thirty Meter Telescope''
* CEMP – (''celestial object'') Carbon-Enhanced Metal-Poor, ''a type of [[carbon star]]''
** CWB – (''celestial object'') Cepheid W Virginis B, ''a subclass of CW stars that vary in brightness on timescales greater than 8 days''
* CXBR – (''celestial object'') Cosmic X-ray Background Radiation
* CXO – (''catalog'') Chandra X-ray Observation, ''a catalog based from the [[Chandra X-Rayray Observatory|Chandra]] space telescope''
== D ==
* EMP – (''catalog'') Ephemerides of Minor Planets
* EMP – (''celestial object'') Extremely Metal-Poor, ''a description for stars that contain few elements other than [[hydrogen]] and [[helium]]''
* ENACS – (''observing program'') ESO Nearby Abell Cluster Survey, ''a survey of [[galaxy cluster]]s''
* [[Extremely Red Object|ERO]] – (''celestial object'') Extremely Red Object, ''a name applied to [[galaxies]] with red [[spectrum|spectra]]''
* [[European Space Agency|ESA]] – (''organization'') European Space Agency
* [[European Southern Observatory|ESO]] – (''organization'') European Southern Observatory
* [[Hoffleit Bright Star catalog|HR]] – (''catalog'') Hoffleit Bright Star
* [[Hertzsprung-Russell diagram|HR]] – (''astrophysics terminology'') Hertzsprung-Russell, ''a description for a diagram that compares stars' colors to their luminosities''
* [[High Resolution Camera|HRC-I]] – (''instrumentation'') High Resolution Camera, ''an instrument on the [[Chandra X-Rayray Observatory]]''
* [[High Rate Detector|HRD]] – (''instrumentation'') High Rate Detector, ''an instrument on the [[Cassini spacecraft]]''
* [[High Resolution Microwave Survey|HRMS]] – (''observing program'') High Resolution Microwave Survey, ''a survey for [[microwave]] signals from [[extraterrestrial intelligence]]''
* [[Low Earth orbit|LEO]] – (''astrophysics terminology'') Low Earth Orbit
* [[Large Earth-based Solar Telescope|LEST]] – (''telescope'') Large Earth-based Solar Telescope
* [[Low Energy Transmission Grating Spectrometer|LETGS]] – (''instrumentation'') Low Energy Transmission Gratings Spectrometer, ''an instrument on the [[Chandra X-Rayray Observatory]]''
** ''also'' LETG
* [[Luminosity function|LF]] – (''astrophysics terminology'') Luminosity Function, ''used to describe the spatial density of objects such as [[star cluster]]s and [[galaxies]] as a function of their [[luminosity]]''
* VIMOS – (''instrumentation'') VIsible Multi-Object Spectrograph, ''instrument on the [[Very Large Telescope|VLT]]''
* [[VISTA (telescope)|VISTA]] – (''telescope'') Visible and Infrared Survey Telescope for Astronomy
* [[Very Large Array|VLA]] – (''telescope'') Very Large Array, ''a radio telescope in [[NewNuovo MexicoMessico]] operated by the [[National Radio Astronomy Observatory]]''
* [[Very Long Baseline Array|VLBA]] – (''telescope'') Very Long Baseline Array, ''a radio telescope operated by the [[National Radio Astronomy Observatory]] with antennas spread across the United States''
* [[Very long baseline interferometry|VLBI]] – (''instrumentation'') Very Long Baseline Interferometry, ''used to describe combining signals from multiple telescopes/radio antennas that are separated by large distances''
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