Y_Ddaear
Haul
Seryddiaeth
Celf
Lleuad
Seren
Hydref
Cysawd_yr_Haul
Aristoteles
Mawrth_(planed)
Sadwrn_(planed)
Planed
Albert_Einstein
Isaac_Newton
Amser
Iau_(planed)
Gwobr_Ffiseg_Nobel
Leonardo_da_Vinci
Wranws_(planed)
Neifion_(planed)
Disgyrchiant
Gwener_(planed)
Mercher_(planed)
Cytser
Galileo_Galilei
Y_gofod
Ptolemi
Cyhydedd
Atmosffer_y_Ddaear
Galaeth
Gofodwr
Iâ
Asteroid
Bydysawd_(seryddiaeth)
Mecaneg_cwantwm
Plwton_(planed_gorrach)
Comed
Llanw
Sêr-ddewiniaeth
Blwyddyn_golau
Planed_allheulol
Stephen_Hawking
Johannes_Kepler
Orïon_(cytser)
Mis
Telesgop
Diffyg_ar_yr_haul
Ursa_Major
Nicolaus_Copernicus
Twll_du
Damcaniaeth_y_Glec_Fawr
Uned_seryddol
Astroffiseg
Apollo_11
Christiaan_Huygens
Cosmoleg
Crux
Iau_(duw)
Cygnus_(cytser)
Planed_gorrach
Taurus_(cytser)
Carl_Friedrich_Gauss
Nifwl
Sidydd
Carl_Sagan
Gofod-amser
Canis_Major
Giordano_Bruno
Perthnasedd_cyffredinol
Aquarius_(cytser)
Deddfau_mudiant_Newton
Cyhydnos
Ursa_Minor
Pythagoras
Aries_(cytser)
Virgo_(cytser)
Scorpius_(cytser)
Omar_Khayyam
Rhaglen_Apollo
Leo_(cytser)
Heuldro
Telesgop_Gofod_Hubble
Andromeda_(cytser)
Sagittarius_(cytser)
Carina_(cytser)
Perseus_(cytser)
Cancer_(cytser)
Nos
Centaurus
Canis_Minor
Pisces_(cytser)
Apus
Libra_(cytser)
Voyager_2
Cassiopeia_(cytser)
Gemini_(cytser)
Eratosthenes
Coma_Berenices
Aquila_(cytser)
Heuldro'r_gaeaf
William_Herschel
Corvus_(cytser)
Titan_(lloeren)
Capricornus_(cytser)
Rhuddiad
Gwregys_Kuiper
Pyxis
Pegasos_(cytser)
Canes_Venatici
Galaeth_Andromeda
Albedo
Boötes
Antlia
Corona_Borealis
Hercules_(cytser)
Hydra_(cytser)
Draco_(cytser)
Cawr_nwy
Charon_(lloeren)
Fornax
Voyager_1
Ceres_(planed_gorrach)
Cepheus_(cytser)
Phobos_(lloeren)
Ara_(cytser)
Joseph-Louis_Lagrange
Sirius
Norma_(cytser)
Gofod_dau_ddimensiwn
Caelum
Circinus
Delphinus_(cytser)
Gorwel
Lynx_(cytser)
Muhammad_ibn_Mūsā_al-Khwārizmī
Awyrfaen
Diffyg_ar_y_lleuad
Tycho_Brahe
Crater_(cytser)
Anacsimandros
Corona_Australis
Triangulum_(cytser)
Lupus_(cytser)
Hydrus
Camelopardalis
Tucana
Alban_Elfed
Clwstwr_sêr
Alban_Eilir
Edwin_Powell_Hubble
Telescopium
Columba_(cytser)
Sculptor_(cytser)
Deddf_disgyrchedd_cyffredinol_Newton
Chamaeleon_(cytser)
Seren_y_Gogledd
Awrora
Twr_Tewdws
Io_(lloeren)
Musca_(cytser)
Dorado_(cytser)
Leo_Minor
Mater_rhyngseryddol
Eris_(planed_gorrach)
Phoenix_(cytser)
Triton_(lloeren)
Gofod_(ehangder)
Lepus_(cytser)
Seren_niwtron
New_Horizons
Piscis_Austrinus
Indus_(cytser)
Helios
Ton_ddisgyrchol
Astrofioleg
Makemake_(planed_gorrach)
Arsyllfa_Frenhinol_Greenwich
Triangulum_Australe
Galaeth_y_Llwybr_Llaethog
Canolfan_Ofod_Kennedy
Deddfau_mudiant_planedau_Kepler
Charles_Messier
Brian_May
Cwmwl_Oort
Apollo_13
Gwedd_leuad
Callisto_(lloeren)
Apollo_8
Brahmagupta
Darfudiad
Lacerta
Poseidonius
Juno_(chwiliedydd)
Grŵp_Lleol
Eugene_Cernan
Svante_August_Arrhenius
Telesgop_Gofod_James_Webb
Eridanus_(cytser)
Nifwl_Mawr_Orïon
Apollo_13_(ffilm)
Pwynt_Lagrange
Uwch_glwstwr
Lleuad_lawn
Seren_wib
Ffrwydriad_Tunguska
Deimos_(lloeren)
Enceladws_(lloeren)
Cwaseren
486958_Arrokoth
Apollo_15
Proxima_Centauri
Isaac_Roberts
2_Pallas
Apollo_14
3_Juno
Apollo_12
Titan
William_Lassell
Chandra_Wickramasinghe
Glaniad_ar_y_Lleuad
Rhea_(lloeren)
Olympos_Mons
Galaeth_Triangulum
Jocelyn_Bell_Burnell
Neil_deGrasse_Tyson
Gwregys_Orïon
Titania_(lloeren)
Dione_(lloeren)
433_Eros
Phoebe_(lloeren)
Ariel_(lloeren)
Iapetws_(lloeren)
Ole_Rømer
Galaeth_Seyfert
Mimas_(lloeren)
Uwch_Glwstwr_Virgo
Ernst_Julius_Öpik
Brycheuyn_haul
4_Vesta
Pandora_(lloeren)
Labordy_gwyddonol_Mawrth
Blwyddyn_galactig
Hydra_(lloeren)
Gliese_581_c
Apollo_10
Hyperion_(lloeren)
De_Revolutionibus_Orbium_Coelestium
Cosmogoni
Juliet_(lloeren)
67P/Churyumov–Gerasimenko
Nix_(lloeren)
Oberon_(lloeren)
Hypatia
Y_Ddisgen_Wasgaredig
Caroline_Herschel
Protëws_(lloeren)
Luna_2
Ar_Leuad_Lawr
Dysnomia_(lloeren)
Apollo_9
Styx_(lloeren)
Llwybr_i'r_Lleuad
Apollo_7
Messier_101
Miranda_(lloeren)
Telesgop_Event_Horizon
Yr_Undeb_Seryddol_Rhyngwladol
Lyra_(cytser)
Ophiuchus
Serpens
Equuleus
Monoceros
10_Hygiea
Seren_Barnard
Vela_(cytser)
Pan_(lloeren)
Vulpecula
Horologium_(cytser)
Sextans_(cytser)
Puppis
Ianws_(lloeren)
Pictor
Microscopium
Volans
Grus_(cytser)
Sagitta
Pavo_(cytser)
Epimethëws_(lloeren)
Octans
Promethëws_(lloeren)
Tethys_(lloeren)
Scutum_(cytser)
Ceres
Mensa_(cytser)
Reticulum_(cytser)
Atlas_(lloeren)
Patrick_Moore
Regulus_(seren)
Mars_Pathfinder
Lleuad_orwych
Arsyllfa_Mount_Wilson
Nereid_(lloeren)
Arcturus
Aragats
Praesepe_(clwstwr_sêr)
Panspermia
Nifwl_Llygad_y_Gath
Urbain_Le_Verrier
Pileri'r_Greadigaeth
Io
Hyades_(clwstwr_sêr)
Orion_(mytholeg)
Vera_Rubin
Kerberos_(lloeren)
Akatsuki
Proxima_Centauri_b
Annie_Jump_Cannon
Helen_Sawyer_Hogg
Mary_Somerville
Almagest
Helene_(lloeren)
15810_Arawn
6_Hebe
Blwyddyn_gosmig_(seryddiaeth)
216_Kleopatra
Walter_Baade
Johann_Elert_Bode
Blaseren
Mu_Arae
Mur_Mawr_(seryddiaeth)
951_Gaspra
Atynydd_Mawr
Hen_ŵr_y_lleuad
5_Astraea
Areoleg
Thalassa_(lloeren)
(66391)_1999_KW4
Epsilon_Eridani
Unreal_Tournament
7_Iris
4179_Toutatis
Despina_(lloeren)
Ophelia_(lloeren)
Cecilia_Payne-Gaposchkin
Amser_Mawrth
Desdemona_(lloeren)
HD_209458_b
Puck_(lloeren)
Heinrich_Wilhelm_Olbers
Calypso_(lloeren)
Larissa_(lloeren)
Perthnasedd_arbennig
Bianca_(lloeren)
Nicolas_Louis_de_Lacaille
51_Pegasi_b
Cordelia_(lloeren)
Galaeth_droellog
Cressida_(lloeren)
Galatea_(lloeren)
Telesgop_Pegwn_y_De
Henrietta_Swan_Leavitt
Naiad_(lloeren)
Cyhydedd_wybrennol
Hipparchus
Triton
Portia_(lloeren)
William_Cranch_Bond
Seren_ddwbl
Nifwl_Sadwrn
8_Flora
Maint_(seryddiaeth)
Mars_2
Uwchnofa
Eris
Margaret_Burbidge
Rhestr_mynyddoedd_ar_y_Lleuad
Telesto_(lloeren)
Wolf_359
Nifwl_Helics
Arolwg_Rhuddiad_Galaeth_Maes-dwy-radd
Eleanor_F._Helin
Sextans_A
Johannes_Hevelius
5535_Annefrank
Setebos_(lloeren)
Seroliaeth
Belinda_(lloeren)
Petrus_Plancius
Gliese_581_d
9_Metis
Margaret_Lindsay_Huggins
Ganymede
Carolyn_S._Shoemaker
Comed_Halley
Ffotosffer
Callisto
Pavonis_Mons
2M1207b
Gwrthrych_Messier
Andrea_M._Ghez
Cawr_coch
Rhea
Sbectrosgopeg
Galaeth_eliptig
Apollo_17
Antony_Hewish
John_Flamsteed
Effaith_Doppler
Vega
Caliban_(lloeren)
Sycorax_(lloeren)
Prospero_(lloeren)
Stephano_(lloeren)
Canopus
Helen_Lines
Triongl_yr_Haf
Galaeth_lensaidd
Heather_Couper
Yr_Aradr_(seroliaeth)
Tharsis
Prif_ddilyniant
John_Jones_(seryddwr)
Marguerite_Laugier
Procyon
Maria_Mitchell
Arabia_Terra
Mawrth_Vallis
Betelgeuse
Gliese_436_b
Elizabeth_Roemer
Tethys
Aldebaran
Rosaly_Lopes-Gautier
Apollo_16
Nifwl_y_Cranc
Adela_Ringuelet
Jane_Luu
Argo_Navis
Triongl_y_Gaeaf
Charlotte_Moore_Sitterly
Secstant
Frank_Drake
Jill_Tarter
Altair
Pelydriad_corff_du
Seren_gawr
Teresa_Lago
Elisabeth_Vreede
Amser_yr_haul
Starship_SpaceX
Dorothea_Klumpke
Elisabeth_von_Matt
NGC_15
NGC_11
NGC_13
NGC_27
NGC_21
Mu_Arae_c
NGC_38
Mu_Arae_e
First_Man
Ulrika_Babiaková
Blaenoriad_y_cyhydnosau
Roger_Penrose
Rigel
Lisa_Kaltenegger
WASP-2b
Florence_Cushman
Capella
Anders_Jonas_Ångström
Perseverance_(crwydrwr)
Algol
Parth_cyfannedd
Arsyllfa_Griffith
Triongl_y_Gwanwyn
Deneb
Amser_y_sêr
Pamela_L._Gay
Rosalind_(lloeren)
Alice_Vibert_Douglas
NGC_2
Mariner_9
Agnès_Acker
C/2020_F3_(NEOWISE)
James_Bradley
NGC_43
NGC_48
Julie_Vinter_Hansen
Dialogo_sopra_i_due_massimi_sistemi_del_mondo
NGC_7793
Mary_Watson_Whitney
NGC_7814
NGC_501
NGC_503
Giovanni_Battista_Riccioli
NGC_500
Liisi_Oterma
Ingrid_van_Houten-Groeneveld
Carolyn_Porco
Lyudmila_Chernykh
Tamara_Mikhaylovna_Smirnova
Svetlana_Gerasimenko
Beatrice_Tinsley
Sandra_Faber
NGC_1264
Édmée_Chandon
Lenka_Kotková
Egwyddor_Copernicaidd
Manhattanhenge
2598_Merlin
Lyudmila_Zhuravlyova
Sara_Seager
Ruby_Payne-Scott
Zdeňka_Vávrová
Comed_fawr
Margaret_Geller
NGC_5774
Lyudmila_Karachkina
Ewine_van_Dishoeck
Gertrude_Bacon
Antonia_Maury
Epsilon_Eridani_b
Hoced_Mawr_y_Lleuad_1835
Z8_GND_5296
Pelageya_Shajn
Odette_Bancilhon
Jana_Tichá
Mary_Adela_Blagg
Anja_Cetti_Andersen
Debra_Fischer
Janet_Akyüz_Mattei
Christine_Kirch
Heinrich_Christian_Schumacher
Amy_Mainzer
Sethanne_Howard
Comed_Donati
HD_149026_b
Ľudmila_Pajdušáková
Victoria_Kaspi
Marie-Jeanne
Mu_Arae_d
Mu_Arae_b
Henrietta_Hill_Swope
Margaret_Harwood
Erika_Böhm-Vitense
Antinous_(cytser)
Noachis_Terra
Jeanne_Dumée
Dorrit_Hoffleit
William_Henry_Smyth
Anna_Frebel
Vera_Gaze
XO-1b
James_Ferguson
Upsilon_Andromedae_b
Jacqueline_Hewitt
Heidi_Hammel
Eva_K._Grebel
Ida_Barney
Amy_Barger
Martha_P._Haynes
Emma_Vyssotsky
Alla_Masevich
Edith_Alice_Müller
Margaret_Mayall
Mons_La_Hire
Lidija_Petrovna_Ceraská
Virginia_Louise_Trimble
Robin_M._Canup
Rosemary_Wyse
Tabetha_S._Boyajian
Margaretha_Kirch
Esmeralda_Mallada
Pascale_Ehrenfreund
Rhestr_galaethau_troellog
Helen_Dodson_Prince
Reiki_Kushida
Chryssa_Kouveliotou
Karen_Jean_Meech
Beatriz_Barbuy
Xanthe_Terra
Kyongae_Chang
Elisa_Quintana
Sofia_Romanskaya
Paula_Szkody
Janine_Connes
Praskov′ja_Georgievna_Parchomenko
Carole_Jordan
Evelyn_Leland
Julianne_Dalcanton
Regina_Podstanická
Emily_Lakdawalla
Rosina_Dafter
Margaritifer_Terra
Mary_Anna_Draper
Debra_Elmegreen
Edith_Kellman
Terra_Cimmeria
Josefa_Masegosa_Gallego
Antonia_Ferrín_Moreiras
Anneila_Sargent
Muriel_Mussells_Seyfert
Christine_Jones_Forman
Suzanne_W._Tourtellotte
A._Grace_Cook
Lisa_Kewley
Amanda_Bauer
Carle_M._Pieters
Yaël_Nazé
Jocelyn_Gill
Mayly_Sánchez
Operation_Avalanche
The_Brave_Little_Toaster_Goes_to_Mars
Lee_Anne_Willson
Troelliad
Naomi_McClure-Griffiths
Rosemary_Coogan
Phoebe_Waterman_Haas
Uta_Fritze-von_Alvensleben
Ellen_Suzanne_Howell
Florence_Lewis
Rachael_Padman
María_Cristina_Pineda_Suazo
Irene_González_Hernández
400_Years_of_The_Telescope
Sarah_Ballard
Frances_Lowater
Catherine_E._Delahodde
Miniverse
Llên_y_sêr
Haley_Gomez
Ruth_Agnes_Daly
A_Sidewalk_Astronomer
Carol_Christian