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