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Astronomický snímek dne (APOD) - Klíčová slova

Každý astronomický snímek dne má přiřazené alespoň jedno klíčové slovo. Související APODy lze snadno vyhledávat pomocí souvisejících klíčových slov.

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507: moon
485: mars
375: saturn
372: spiral galaxy
363: star formation
331: sun
285: milky way
249: Jupiter
236: dust
226: earth
214: venus
194: emission nebula
188: mouse over
185: planetary nebula
180: aurora
179: infrared
152: comet
151: galaxy
142: video
140: Orion
137: supernova
135: supernova remnant
131: ISS
128: reflection nebulax-ray
119: cassini
106: meteor shower
104: black holemercurymeteor
100: globular cluster
97: asteroid
95: solar eclipse
94: animated gifopen cluster
93: stars
89: cloudsstar cluster
88: Hubble
86: space shuttlespacecraft
85: rings
84: sunset
79: LMC
76: conjunctionFull Moon
75: star trails
73: galaxies
71: orion nebulapleiades
70: lunar eclipse
69: galactic center
68: M31molecular cloud
67: volcano
65: transit
62: Titan
61: nebula
60: galaxy cluster
59: launchsolstice
58: equinox
57: dark nebula
55: water
54: Pluto
53: Hubble Space Telescope
52: rocketSolar Systemspace station
50: crateruniverse
48: eclipsestereo
47: interacting galaxiesshadow
45: horsehead nebulastartelescope
44: dark matterlightningtotal solar eclipse
43: active galaxycolliding galaxiesIo
42: new horizons
41: coronaM16pulsarzodiacal light
40: m20M8
39: cosmology
38: Eagle Nebulaenceladus
37: panoramaplanets
36: M42neutron starskyx-rays
34: anaglyphopposition
33: europamagnetic fieldultraviolet
32: carina nebulacluster of galaxieslocal group
31: Leonidsprominencesmcsunrisetlewhite dwarfWolf-Rayet star
30: apollo 17crab nebulaCygnushydrogenJunomessengertse
29: binary starelliptical galaxyH-alphajetM51m82observatoryoccultationsunspot
28: heart nebulaicelandLagoon NebulaPerseidsrovertarantula nebulavoyager
27: analemmaAntaresastronautcuriosityerosgravitational lensM81spitzersunspotstotal lunar eclipse
26: galileoimpactNorwayspiralstar forming regionstellar wind
25: atmospherebubble nebulafireballgamma-raygravitational lensingM33neptune
24: active regionandromedaandromeda galaxyAntarcticaApollo 11discoveryhaloOpportunityperigeephobosstellar evolutionstorm
23: collisionexoplanetGeminidsperseidplanetTrifid Nebula
22: big dippercratersEta Carinaeradiorosettaspirit roversurfaceVeil Nebula
21: comet mcnaughtgalaxy collisionHII regionMilky Way GalaxyPelican NebulaRosette NebulaSagittariussatelliteSOHOtailvariable star
20: cat's eye nebulaGanymedem45moonriseopportunity roversouth pole
19: 30 Doradusconstellationedge-onHelix Nebulaice crystalsInternational Space Stationm27M57Ring Nebulaspiral armsstellar nursery
18: annular eclipseaustraliaCereschandraleo tripletM1M78new zealandNightperseid meteor showerradiantSouthern CrossterminatorVesta
17: airplanebelt of Venuscentaurus aChilecomaCone NebulacrescentDionedumbbell nebulaearthshineflaregamma-ray burstGreat Red Spotic1805icem101M17messierOmega Centauriorbitred giantspectrum
16: black holescmecomet panstarrscrescent moonDawndwarf galaxyHalloweenlunar surfaceM104Mauna Keanoctilucent cloudsNorth America Nebulanorth polequasarRho OphiuchiSpiritTethysTotal eclipseVirgo Cluster
15: airglowapodatlantiscastleCen AComet Holmescomet lovejoyendeavourfilamentgreen flashIrregular galaxylifelunar modulemeteorsnovareflectionRhearing galaxysolar windtrapeziumVela
14: absorption nebulaaccretion diskadaptive opticsapollo 12asterismCharoncuriosity roverHSThyadesjetskeplerlarge magellanic cloudlight echom106m44magellanic cloudsmassive starMimasmoonspartial eclipsesdoSiriusSoul Nebulaspiral galaxies
13: AsteroidsCallistoChinacosmic raysCrescent Nebuladeep fieldfermihorizonkuiper beltlunationM83mountainsngc5194rainbowrotationsolar flaresungrazerWitch Head Nebula
12: Alaskaaldebaranangular sizeapogeeBarnard's Loopbarred spiralbetelgeusebow shockcepheiddark energydust stormeclipticedge-on spiralFalcon 9galactic planeherschelic1396ic5070IC 1805ion tailKeyhole NebulalanderlandingM13mars expressmergernarrowbandnebulasngc2359ngc3628ngc5195NGC 2264OB associationpaintingPhoenixregulusScorpiusseasonsSeyfert galaxyspitzer space telescopestarburst galaxyStephan's Quintettidal tailUranus
11: anniversarybarred spiral galaxyc/2011 l4charles messiereruptiongalaxy groupgreeceGum NebulahurricanemeteoritemethaneMirnarrow bandngc6543ngc7635NGC 3372NGC 7635planet formationpolarisRigelsandsatellite galaxyseasonsetiShuttleSombrero galaxystar clustersSun Pillartime lapsetychoumbrav838 monVLTWhirlpool Galaxywind
10: AE Aurigaeanticrepuscular rayscalifornia nebulacentaurusCFHTchromosphereCocoon NebulaComet LINEARconstellationscoronal mass ejectiondust tailedge-on galaxyflame nebulaFlaming Star Nebulaflybygalaxy mergergamma raysGeminiherbig-harohuygensIC 1396image processingIris Nebulalaserleonid meteor showerm21microwave backgroundMonument Valleymoviemultiwavelengthneutrinosngc2070ngc7331NGC 6357nucleusO starpartial solar eclipseperseus clusterphaserefractionsand dunesSeyfertsnowSolar Coronaspace walkspainspringsupermoontreesValles Marinerisyoung star
9: 67palpha centauriapolloargentinaaurorasbackground galaxiesblue moonCanary islandscolorComet Hale-Boppcometary globulecometsdiamond ringdust pillarsEarth's atmosphereecliptic planeextrasolar planetgalactic clustergalaxy formationHyperionIapetusic443interstellar dustjules verneLenticular Cloudlightlight pollutionM66M87new moonngc4258ngc604NGC 2237night skyopen star clusterorbiterpillarsplumeprometheusR136radarretrogradeS Monsolar maximumstar-formationtailsthor's helmetvolcanoesweather
8: 3Dall skyannular solar eclipseButterfly NebulaCape CanaveralCas Acave nebulacloudcoloradocomet ISONcorona australiscosmic raycrepuscular raysdeep impactdiskdunesdust devildust pillarEskimo Nebulaextreme ultravioletgamma-raysgasgegenscheingusev craterHale-Boppic2177IC 2118ic 410illustrationinteracting galaxyinterstellar mediumiranlight pillarsLROm52M63M7m77M97magellanmassive starsmelotte 15molecular cloudsnamibianearngc2327ngc281ngc4039ngc5139ngc7000ngc7023ngc869ngc884NGC 2244ngc 4565ngc 6543oceanorion's beltpacman nebulapanstarrspartial lunar eclipseperseusphasesphotoluminesencepic du midiserenesh2-101shadowsspaceSpaceXspicaStardustsun-like starSun halosuperbubbleSwedenSwifttaurustempel 1tornadoTritontwilightwise
7: 47 Tucanaeabsorptionactive sunafricaagnalnitakApollo 8April Foolsbackground galaxyBarnard 33Barnard 68cassini spacecraftCMBCMBRcolorscomet Ikeya-Zhangcomet nucleusdistance scaledwarf planetearth's moonelephant's trunkemissionemission lineereeruptive prominenceevening starexoplanetsface-onfilamentsFireFox Fur Nebulagalaxy pairGALEXgamma ray burstgeminidGLASTgravityhawaiiHerbig-Haro objectshexagonic1590IYA2009lenticular cloudslunarlunar roverM15m46M64m74M94mammatus cloudsmcnaughtMERmerging galaxiesMiraMoonsetnarrow-bandNASAnebulaengc1333ngc1893ngc1977ngc253ngc4631ngc6188ngc6559ngc6946ngc7129NGC 1275NGC 3132NGC 6888NGC 7293northern crossophiuchusopticalpeculiar galaxypeopleperihelionpillars of creationplanetary systemradio telescoperegolithsatellitessaturn's ringsshock wavesmall magellanic cloudsolar minimumsouthern hemisphereSoyuzstarburststonehengesupermassive black holesurveyor 3thunderstormtulip nebula
6: 2mass47 Tucalnilamanimationaristarchusarp 188artaseastronomerAtlas VBaily's BeadsbeehivebinaryBryce CanyonCarinaCat's Paw Nebulacataclysmic variableCG4COBEcolorfulColumbiaComa Clustercomet Halleycomet hartley 2comet lulinComet NEATCopernicusdaydeer lick groupdipoledouble clusterdust diskearth shadowEarthriseEaster IslandEinstein crossElephant's Trunk Nebulaemission regioneta carinaEverestexplosiongalactic cirrusgeomagnetic stormGrand Canyongrsh and chi perseiharvest moonheliumhorseheadIC1296ic342ic405ic410ic5067ic5146IC 1848ionizeKitt Peaklakelord rossem3M43m65magnetarmagnetosphereMarkarian's ChainMars Odysseymars rovermintakamirachmountainMROmysteryneutron starsngc1365ngc1499ngc2170ngc2264ngc4038ngc4449ngc4945ngc5128ngc6164ngc6726ngc6744ngc6888ngc6960ngc7293NGC 2170NGC 2440ngc 5128ngc 5457NGC 6559NGC 6960NGC 7000northnorthern lightsnucleosynthesisOmega NebulapareidoliaPencil Nebulaperspectivephilaeplanetary alignmentpolar ringproxima centauriradio telescopesredrocket launchs147sadrscientistsimulationSN1987Asolar prominencesoundSouthern Pinwheelspaceflightspiral armsummer trianglesundialsupercelltelescopestemperaturetrue colorursa majorvdb142venus transitVictoria CraterwaterfallwidefieldWinter Hexagonwitch's broomWMAPyoung stars
5: 46pactive galaxiesall-skyallskyAlpsannularApollo 15asperatus cloudsaurora borealisbarnardbig bangblueblue starsbok globulebrown dwarfc67Pc/2012 s1c/2014 q2californiaCaloris BasincameraCasimir EffectcassiopeiacaveCerro TololocherenkovChuryumov-Gerasimenkoclimate changeComet GarraddDaphnisDark Riverdark skydenebdust lanesearly universeEdmontonEight Burst NebulaEinstein ringellipticaleridanusextrasolar planetsfairyfalse dawnfarsidefireworksflaresFloridaFomalhautgermanyglobular star clusterglorygoldgranulesgravitational waveshalleyHayabusaHeleneHoag's ObjectHolographic Principlehot gasHydrogen alphaic444IC 405IC 418iridescenceironisland universeItokawajanusJupiter moonjust so storykansasldn1622lenticular galaxylibrationlight echoesM2-9M24M38m5m61m76MakeMakemapMeropemeteoritesmoon halomoon illusionmoonbowmoondogMt. EtnaMyCn18ncpNEAR-Shoemakerngc1055ngc1068ngc1531ngc1532ngc3372ngc4248ngc4627ngc660ngc7822ngc891NGC 1232ngc 1333NGC 2392ngc 4038ngc 4725NGC 6334osiris-rexPandoraParispathfinderPhoebePipe NebulaPlanckprawn nebulapsequasarsqueenslandradio astronomyraysred spotredshiftreflection nebulasrockRoll clouds171saturn moonsgr a*Sh2-136sh2-155sh2-240Sharpless 308shellssilhouetteskyscapesn 1006solar cyclesolar neighborhoodsolargraphsonic boomsouthern skystar streamStarry NightSurveyort tauritadpolesthemistidal streamtimelapsetreetrifidTurkeyUruguayUVVirgo Cluster of GalaxiesVLAW5warpwide fieldX-ray backgroundx-ray binary
4: 20013C 75433 erosabell 21abell 39almaansel adamsAntennae Galaxiesasaph hallastrophotographyaurigab33bacteriabinary starsbipolar nebulablue stragglerblue stragglersBok GlobulesbolideBrazilc 17pc/2006 p1c/2006p1C/2011 W3camelopardalisCanadacarbon dioxidecarbon starCatalinacentercepheus flarechiaroscurochloe angeline stickneycliffsComa Cluster of GalaxiesComet 67Pcomet 73pcomet lemmonComet WirtanenCrater LakecupolaCygnus wallD. raddancingDeath Valleydensity wavesDNAdragondust laneeagleEndurance craterepimetheusface on marsfar sidefictionformationGaiagalactic star clustergalaxy evolutiongalaxy interactiongalilean moonsghostGhost Head NebulaGolden Gate BridgeGRBsgreat wallhaleakalahcg 92helioshinodehistoryHolehong kongHubble Deep Fieldhydrogen gasic1318ic417ic59ic63IC 5146indiaInSightIntegrated Flux NebulaionizationkenyalakesleonidLeonids 2001lighthouseLIGOlittle planet projectionLos Angeleslovejoylunar orbiterm100m108m110M22M35m36m47m55magellanic galaxymagnetic fieldsManhattanmaremariner 10medusa nebulamessageMGSmicrolensingmineralMMUmon r2moon phasemoon shadowmorning starMt. Everestmu69MWC 922N11N44neil armstrongngc1973ngc1975ngc1999ngc2023ngc2024ngc2438ngc2442ngc3324ngc3718ngc3729ngc4725ngc5055ngc602ngc6369ngc6723NGC 1316ngc 253NGC 281NGC 290NGC 300NGC 4676NGC 4921ngc 5981ngc 5982ngc 5985NGC 602ngc 6302ngc 7331night shining cloudsnlcnoctilucentOntarioopen clustersozone holepanparanal observatoryparaseleneParker Solar ProbepatagoniapenumbraPickering's Trianglepinwheelpolar mesosphericpolar mesospheric cloudspolarized lightprominencespropulsionpuppis aQPOquadrantidquiltram pressurered rectanglering planeRyuguSchwassmann-Wachmann 3sh2-249shoemaker-levy 9shorty craterSIRDSsketchSky highlightsSnake Nebulasnrsouth celestial polesouth massifspaceshipSpherulespiculesSpritespritesstar cloudsstar trailstarbirthstellar life cyclestickney cratersts-121subaruteidetenerifetexastime-lapseTRACEtrumpler 14trussTWANTycho Brahetype 1aUtahVan Goghvoyager 1voyager 2westerlund 2winterwinter solsticewispsyosemiteysoYukonyuri gagarinzimbabwezoomzubenelgenubi
3: 200722 degree haloa2151AB Aurigaeabell 1689abell 2151Abell 2218abell 3627Abell 370accretionacsahuna monsaircraftAM 0644-741Ant Nebulaantitwilightaphelionapollo 13april 1april fools dayar1520ar2192ar9393Arches National Parkarcturusarp273arp77arp 87asteriodATLASaurora seasonb72backgroundballoonbeltbeta andromedaeBHB2007bioluminescenceblack aurorablue flashblue horsehead nebulablue marbleboulderbuttesC/2001 A2c/2007 n3c/2012 f6c/2013 r1c/2013 us10c/2016 r2calderacaldwell 9Canadarm2canyonCarl Sagancassini missionCassiopeia Aced201celestial equatorcelestial poleChicagoCigar Galaxycircinus x-1Circumhorizon arccirruscity lightsclassical novacliffclusters of galaxiesCoal Sack NebulaCoat HangerCollinder 399comet catalinaComet Churyumov–Gerasimenkocomet EnckeComet MachholzComet Siding Springcomet tailcompositecomposite imageCONCAMcontrailscoronal holecryovolcanocycloneCydoniacyg ob3cyg x-1cygnus acygnus loopcygnus x-1DactylDeimosdescentdistancediurnal motiondrawingduct tapedust clouddust nebulaearth's shadowEarthgrazeredgar rice burroughsedge onEGGsegretEiffel Towerelnathemission nebulasemmission lineepoxiESO 137-001Europeevening skyevolutionexpansionexplorer 1extrasolarF-18false colorfornaxFornax AFoxfur Nebulafragment cGalaxy Zoogamma-ray burstsgamma casgarraddGemini NorthGeminid meteor showergeneral relativitygeostationarygeysersgigagalaxy zoom projectglobulesgravity assistGRBGreeley Havengroovesgullieshabitablehabitable zoneHayabusa2Heliosphereherbig haroherculeshercules galaxy clusterHerschel Craterherschel space observatoryHESShg56hh555high latitude cirrushighlightshimalayashoodoohourglasshubble constanthubble legacy archiveHUDFhumanHurricane Ivanhuygens probeHydraic1340ic1848ic2944ic4628IC 2944IC 4406IC 4592Idaifnimpact craterimpactsIndian Coveindonesiainferior conjunctioninflationintegrated flux nebulaeinteractiveinterstellarinterstellar gasIntrepid Craterion driveiridescent cloudsItalyJewel Boxjust sojwstKibolarge scale structureLatvialcrossleap yearleoliftofflightsLINEARlisbonlittle planetLL Orill orionisLL Pegasilow Earth orbitluminescenceluna 3lunar halolunar reconnaissance orbiterlyridsM25M4M6m60M81 Groupm86m96magicmagnitudeManicouagan cratermarch 3mare imbriummariner valleymars moonmars reconnaissance orbitermars science laboratorymasermcneil's nebulamercury programmeridiani planumMessier catalogmicroquasarMinotaurmiragemirandamissourimoon setmoonquakesmotionMount SharpmslMt. SharpMultiverseMuonMz3n49n63anarrow band filterneonepalNew HorizonNew MexicoNew Yorkngc1097ngc1275ngc1313ngc1554ngc1555ngc1579ngc1931ngc2403ngc2736ngc3370ngc3603ngc404ngc4217ngc4594ngc4826ngc6514ngc6752ngc 1309NGC 1499NGC 1672NGC 2080NGC 2158ngc 2266NGC 2623NGC 3079NGC 3310ngc 346NGC 3603NGC 474NGC 4755ngc 55ngc 598NGC 6745ngc 6751ngc catalogNight Sky Livenorth magnetic poleOklooptical illusionOrionidsorreryou4outflowP1 TrussPAHspeculiarpeculiar galaxiesperijovepersistent trainPete Conradplanet earthplanetary conjunctionplasmapolarizationposeidonprojectionprotostarsQ4quantum mechanicsquebecquiver treesR Coronae Australisradiation beltradio jetsrainbowsrcw 49red dwarfred spritereflectionsretrograde motionrho ophiuchus cloudRichat StructureringRing of Firerio de janeiroriseRobert Goddardrotatingroversrubble pilerunaway starSakurajimaSaskatchewansaturn Vscavenger huntSednaself-portraitselfieshadow conesharpless 249shepherd moonshockshock frontshockwavesilhouettesSimeis 147SIRTFSkylabsn2014jsn 1987aSoilsolarsolar activitysolar powersolar sailsombrerosoundssouthspace explorationspacewalkspectroscopyspeed of lightspherulesspinspiral nebulaspirographSpirograph Nebulasputnik planumstar bubblestar burst galaxystar streamsstar systemstarfieldstarlightstarscapeStatue of LibertystreaksSTS-115STS-117sublimationsuborbitalsummersundogsupergiantsupernova remnantssurface gravitysurveyor 6T Tauri startaurus-littrowThackarey's globulesThe Micethortidaltilttopographytractor near earth asteroidtrailtrojan moontsunamiTungurahuatype Iaugc1810Ultima Thuleunidentified sourcesusavalentinevalley of the moonvan allenvdb141vdb152vdb68vdb69viewVikingVLBIvolcanismVoynich manuscriptWashingtonwaterspoutwirtanenWolf-RayetWolf-Rayet StarsWyomingx-classYutu
2: 2001 Leonids2002200320082008 tc32009201622 degrees2p/encke3604 vestaabell 347abell s0740advanced camera for surveysaeolianaerogelafterglowageair showerAkatsukialan shepardalborz mountainsaliensAmerican eclipseandesandy weirangel nebulaantenna galaxiesanti-auroraanti-twilight archanti tailantikythera mechanismapollo 14Apollo 16apollo programapparent sizeapproacharcarcsArcticarcus cloudares 3Arizonaarp104arp272arp 116Arp 142Arp 240Arp 271arp 286arp 81arp's loopArrokothashAsiaastronomyAtacamaatacama desertAtlas 5atvaureoleaurora australisauroraeAyers RockbacklitbarBarnard 163barredbeagle 2beehive clusterbennubeta pictorisbig ripbirdsblackholeblizzardBlue Horseheadblue iceblue stagglersboomerang nebulabosonsbrightestbrisbaneBruce McCandlessbubblebucket wheel excavatorsbullet pillarsBurns Cliffbutterflyc1396c17/pc2009/p1c2013/a1c/103pC/2001 Q4c/2004 q2c/2006 m4 swanc/2009 p1c/2013 a1c/2018 y1 iwamotocabeuscalypsoCape Codcapellacarcaroline lucretia herschelcastorCataloniaCCDsced30central barcentral peakcentral starcepheidschandor chasmachasmachelyabinskchemiluminescenceChristmas Tree ClusterCircinus Galaxycircumstellarcitizen scienceclimsoclose approachclosest starcmdcoded aperturecoencolbertcold spotcollageColumbia Hillscolumbia memorial stationColumbuscomet 252p/linearComet BorrellyComet BradfieldComet Churyumov-GerasimenkoComet Hale BoppComet IwamotoComet Linear WM 1comet pojmanskiComet SwanComet Wild 2cometary knotscompanioncompton gamma ray observatorycompton observatorycontemplationcontrailcorecoronal loopscowCrabcrawlercrescent phasecrocodilecruxcryovolcanismcubesatCuriousitydamagedark cloudsdark globuledark spotdark terraindatadawn missiondawn spacecraftdeath stardebris diskdeep imageDeep Space 1deep space onedelta rocketDenmarkdespinaDextrediffractiondiffraction spikesdimensionsdistance determinationdistorted galaxyDMSP satellitesdogDouble Archdouble rainbowdreyerdrivingduckduck nebuladust ringE0102-72earth moonecosystemedgeeitelementselkelongationemission nebulaeencke gapendeavorengravingenhanced-colorenhanced colorequal nightEriseso 269-57eta aquaridEta Carevent horizonexaggerated colorexoplanetary systemexploding meteorextinctionextra-solarextra-solar planetextraterrestrial intelligenceextreme shrimpextremophileeyeF-ringfarthest galaxyfaultfermionsFerryfilmfinlandfire rainbowfireflyfirstfirst quarterfirst starsfisheyeflaming starflying freeflyoverFornax Clusterfractalfragment bFrancefrizionfrostfull moon namesfullerenesgalactic dustgale craterGalilean MoonGalilean satellitesgamma cygnigamma raygardengemini 4gemini telescopeGenesisgeographergeostationary orbitgeysergiant magellan telescopegibbousgigapixelgliese 710Gliese 876dglobal warmingglobular clustersglobulegrailgrand designgranulegraphicgravitational radiationgravitational tidesgravitomagnetismgravity mapGravity Probe Bgreat dark spotgreat observatoriesGreen Cheese mythGreenlandGuatemalaGulf of Mexicogum56GW170817haikuHanny's VoorwerpHaumeahcg87HCG 87HDRHebes ChasmaHerbig-Haro objectherodotushh1hh2Hickson 44himalayahiriseholderholmberg ixholmeshomunculus nebulahot jupiterhot spotHR 8799Hubble palletteHungaryHurricanesHusband HillHyakutakehybrid eclipsehypernovaic10ic1179ic1795ic2948ic348ic434ic879IC 1795IC 434IC 4603IC 4628IC 4678ice crystalice haloicebergIceCubeillusionintermediate polarinterplanetary dustintracluster gasionion taleionization frontiowaIreneiridescent cloudiridium flareiridium satelliteIRS 4Isaac Newtonjava appletJulius CaesarjunocamJupiter's Moonsjuxtapositionkeeler gapkeenan's systemKepler 16bkoreaKPNOLa Sillalagoonlagrange pointLake Superiorlake turkanaLake VidalaplandLaserslatlavalayered hillslayered rockslayersldn 1251ldn 1688leap dayLeap DayslensLeonids Meteor ShowerLHClick observatoryLitter Dipperlittle dipperlittle dumbbellLobster NebulaLocal Bubblelocal cloudlogarithmic spiralloopslunar coronalunar farsidelunar occultationlunar phaselyridm18M2M32M39M41M71M72m9M95Machholzmacromagellanic cloudmagnetic northMaineManicouagan impact cratermapped colormars polar landermauna loaMcCandlessMcWay FallsmechainmediterraneanMelas Chasmamessier marathonmeteoroidmexicoMicemicrobesmicromoonmicroorganismsmicrowavemilkywaymineralsminor planetminor planetsmirfakmirrormissing colorsmono lakemonochromemont blancmoon's shadowmoonlightmosaicmt. kilimanjaromultiwavelength astronomyMurray Buttesn132dN159naked eyenear-earth asteroidnear earth asteroidNEAR ShoemakernearbyNebraskanegativenetherlandsneutronnew yearNew York Cityngc104ngc1316ngc1317ngc1850ngc206ngc2174ngc2244ngc2419ngc2423ngc2683ngc2685ngc2841ngc2903ngc3165ngc3166ngc3169ngc3242ngc3314ngc346ngc3521ngc3576ngc3621ngc4372ngc4647ngc4649ngc4651ngc4656ngc5068ngc5078ngc5101ngc5216ngc5218ngc5247ngc5474ngc5560ngc5566ngc5569ngc5775ngc5905ngc5907ngc5908ngc6050ngc613ngc6193ngc6384ngc6530ngc6599ngc6611ngc6720ngc6822ngc6910ngc6914ngc6979ngc7142ngc7770ngc7771ngc7789ngc7814NGC 1097NGC 1300NGC 1313NGC 1365ngc 1512ngc 1535ngc 1569NGC 1818NGC 1999NGC 205NGC 2074NGC 2346NGC 2359NGC 2403ngc 2438NGC 2683NGC 2841NGC 2903ngc 3242NGC 3370NGC 3582ngc 3621NGC 4388NGC 4414ngc 4622NGC 4631NGC 5866NGC 6164NGC 6188NGC 6537ngc 6621/6622ngc 6772NGC 6781NGC 6822NGC 6823ngc 6992ngc 7009NGC 7023NGC 7027NGC 7139ngc 7424NGC 7714NGC 7742NGC 869NGC 891nixnobel prizenoctilucent cloudnorouznorth americaNorth Carolinanorth polar capNova CygniNROnuclear reactorsnustarOBAFGKMOccatoroceansOhiooiii emissionoklahomaOlympus Monsomicron cetiopen pit miningOphiuchiusoptical transientOregonorion armOumuamuaowl nebulaoxygenozoneP5pahpalomar 13Palomar Observatorypan-starrsparanalparkesParthenonparticle beamparticle physicsPeekskill meteorpegasusPelicanpenitentesperceptionperiodicperiodic cometperseid meteorperseus aphantom energyPhoenix Landerphotographyphotospherepierre mechainpillarpinholepinhole imagepinkPinwheel GalaxyPismis 24placeplainsplanesplanetesmalsplate tectonicsplatopoker flatpolar mesospheric cloudpolar ring galaxypolespolluxPopulation IIIPowers of Tenpox 186praesepeprecessionprotostarproverbpulsar wind nebulapulsarsPyramid MountainQSOquadrans muralisquandrantidsQuidditchr aquariiradiant pointradiation belt storm proberadio arcradio wavesrainrapa nuiray craterrbsprcw79rcw86rcw 38recordred-blue glassesred flashred spot jr.Red Square Nebulareentryrelative sizesReunion islandRho OphiuchusridgesRilleripplesroadrobotrobotic telescoperock climbingrocksRosetters pupRS PuppisRussiary tauS106sagittarius a*Sagittarius DwarfSahara Desertsaltsame colorsand dunesaturn ringscatteringScorpioscotlandSculptorSculptor GalaxySDSSSeattleseawifssecond millenniumsedimentary rockserendipityservice modulesh2-129shadow bandsShapley 1shell galaxyshower radiantshuttle orbitersimulationssinus iridiumsky mapsky surveyskyglowsl-9sleepy hollowSlovakiasmokesmoothsn1006sn185sn1993jsnow moonsnr 004.5+06.8Soap Bubble Nebulasofiasoft gamma-repeatersolar panelssolar rotationsolargraphysounding rocketSouthern Ring Nebulaspace sailSpace suitspace vehiclespace 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