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