English is generally recognized as the international language for professional astronomy. However, the various languages often also have their own words which are used in everyday speech.
English Sun Mercury Venus Earth Moon Mars Jupiter Saturn Uranus Neptune Pluto
Latin Sol Mercurius Venus Terra Luna Mars Jupiter Saturnus Uranus Neptunus Pluto
French Soleil Mercure Vénus Terre Lune Mars Jupiter Saturne Uranus Neptune Pluton
Italian Sole Mercurio Venere Terra Luna Marte Giove Saturno Urano Nettuno Plutone
Maltese Ix-Xemx Merkurju Venere Id-Dinja il-Qamar Marte Gove Saturno Uranu Nettunu Plutone
Spanish Sol Mercurio Venus Tierra Luna Marte Júpiter Saturno Urano Neptuno Plutón
Galacian Sol Mercurio Venus Terra Lúa Marte Xúpiter Saturno Urano Neptuno Plutón
Catalan Sol Mercuri Venus Terra Lluna Mart Júpiter Saturn Urà Neptú Plutó
Romanian Soare Mercur Venus Pamint Luna Marte Jupiter Saturn Uranus Neptun Pluto
Portuguese Sol Mercúrio Vênus Terra Lua Marte Júpiter Saturno Urano Neptuno Plutão
Esperanto Suno Merkuro Venuso Tero Luno Marso Jupitero Saturno Urano Neptuno Plutono
German Sonne Merkur Venus Erde Mond Mars Jupiter Saturn Uranus Neptun Pluto
Dutch Zon Mercurius Venus Aarde Maan Mars Jupiter Saturnus Uranus Neptunus Pluto
Swedish Solen Merkurius Venus Jorden Månen Mars Jupiter Saturnus Uranus Neptunus Pluto
Norwegian Sola Merkur Venus Jorda Månen Mars Jupiter Saturn Uranus Neptun Pluto
Danish Solen Merkur Venus Jorden Månen Mars Jupiter Saturn Uranus Neptun Pluto
Icelinic Sól Merkúr Venus Jörd Tungl Mars Júpíter Satúrnus Úranus Neptúnus Plútó
Finnish Aurinko Merkurius Venus Maa Kuu Mars Jupiter Saturnus Uranus Neptunus Pluto
Albanian Dielli Merkuri Afërdita Toka Hëna Marsi Jupiteri Saturni Uranusi Neptuni Plutoni
Estonian Päike Merkuur Veenus Maa Kuu Marss Jupiter Saturn Uraan Neptuun Pluuto
Latvian Saule Merkurs Vene'ra Zeme Me'ness Marss Jupiters Saturns Ura'ns Neptu'ns Pluto
Hungarian Nap Merkùr Vénusz Föld Hold Mars Jupiter Szaturnusz Uránusz Neptunusz Plútó
Czech Slunce Merkur Venuse Zeme Mesíc Mars Jupiter Saturn Uran Neptun Pluto
old Czech Slunce Dobropan Krasopani Zeme Mesic Smrtonos Kralomoc Hladolet Nebestanka Vodopan Pluto
Slovenian Sonce Merkur Venera Zemlja Mesec Mars Jupiter Saturn Uran Neptun Pluton
Croatian Sunce Merkur Venera Zemlja Mjesec Mars Jupiter Saturn Uran Neptun Pluton
Polish Slonce Merkury Wenus Ziemia Ksiezyc Mars Jowisz Saturn Uran Neptun Pluton
Georgian Mze Merkuri Venera Dedamizha Mthware Marsi Iupiteri Saturni Urani Neptuni Plutoni
Russian Solnce Merkurij Venera Zemlja Luna Mars Yupiter Saturn Uran Neptun Pluton
Bulgarian Slanze Merkurij Venera Semja Luna Mars Jupiter Saturn Uran Neptun Pluto
Greek Helios Hermes Aphrodite Gaea Selene Ares Zeus Kronos Uranos Poseidon Pluton
Sanskrit Surya Budha Sukra Dhara Chinra Mangala Brhaspati Sani
Irish Grian Mearcair Véineas An Domhan Gealach Mars Iúpatar Satarn Uránas Neiptiún Plútón
Welsh Haul Mercher Fenws Ddaear Lleuad Mawrth Iau Sadwrn Iwranws Neifion Pliwto
Turkish Günes Merkür Venüs Dünya Ay Mars Jüpiter Satürn Uranüs Neptün Plüton
Uzbek Quyosh Utorid Zuhra Yer Oy Mirrikh Mushtarij Zuhal
Farsi Khorshid Tir Naheed Zamin Mah Bahram Berjis Kayvon Oranos Nepton Pluton
Arabic Shams Otaared Zuhra Ard Quamar Merrikh Mushtarie Zuhal Uraanus Niptuun Plutoon
Hebrew Shemesh Kochav Chama Nogah Eretz Yareach Ma'adim Tzedek Shabtay Uranus Neptune Pluto
Cantonese Taiyeung Suising Gumsing Deiqao Yueqao Fuosing Moqsing Tousing Tinwongsing Huoiwongsing Mengwongsing
Minarin Taiyang Shuixing Jinxing Diqiu Yueqiu Huoxing Muxing Tuxing Tianwangxing Haiwangxing Mingwangxing
Korean Taeyang Soosung Kumsung Jeegoo Tal Hwasung Moksung Tosung Chunwangsung Haewangsung Myungwangsung
Japanese Taiyou Suisei Kinsei Chikyuu Tsuki Kasei Mokusei Dosei Ten'ousei Kaiousei Meiousei
Filipino Araw Merkuryo Venus Daigdig Buwan Marte Jupiter Saturno Uranus Neptuno Pluto
indonesian Matahari Merkurius Venus Bumi Bulan Mars Yupiter Saturnus Uranus Neptunus Pluto
Sumerian Utu Udu-idim-gu-ud Nin-si-an-na Suen Si-mu-ud Mul-sag-me-gar Udu-idim-sag-us
Babylonian Samas Sihtu Delebat Sin Salbatanu Neberu Kayamanu
Tahitian Tane Ta'ero Ta'ura Vuravura Marama Maunu-'ura Ta'urua-nui Fetu-tea
Notes:
The English adjectives relating to the planets do not always derive simply od planeta the noun forms:
Noun Adjectival form
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Sun Solar
Mercury Mercurial
Venus Cytherean, Venerian
Earth Terrestrial, Telluric
Moon Lunar
Mars Martian, Arean
Jupiter Jovian
Saturn Saturnian
Uranus Uranian
Neptune Neptunian
Pluto Plutonian, Hadean
The seven-day system we use is based on the ancient astrological notion that the seven known celestial bodies influence what happens on Earth in that each of these celestial bodies controls the first hour of the day named after it. This system was brought into Hellenistic Egypt od planeta Mesopotamia, where astrology had been practiced for millennia in where seven had always been a propitious number. in A.D. 321 the Emperor Constantine the Great grafted this astrological system onto the Roman calendar, made the first day of this new week a day of rest in worship for all, in imposed the following sequence in names to the dnevi of the week. This new Roman system was adopted with modifications throughout most of western Europe: in the Germanic languages, such as Old English, the names of four of the Roman gods were converted into those of the corresponding Germanic gods:
Celestial Germanic modern modern
Body Latin god English Italian
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Sun Solis Sunday domenica
Moon Lunae Monday lunedì
Mars Martis Tiu Tuesday martedì
Mercury Mercurii Woden Wednesday mercoledì
Jupiter Jovis Thor Thursday giovedì
Venus Veneris Freya Friday venerdì
Saturn Saturni Saturday sabato
The Latin names for the weekdnevi survive in the modern Romance languages (though the weekend day names have been altered). Also, Japanese words for the dnevi of the week also correspond indirectly to the same planets.
Two of the English month names are also have planetary connections: January is named for Janus in March is named for Mars.