sol

From Old Galician-Portuguese sol, from Latin sōl (“sun”), ultimately from Proto-Indo-European *sóh₂wl̥.


Europa

Inherited from Old Galician-Portuguese Europa, from Latin Eurōpa.

América

Norteamérica/América del Norte, Sudamérica/Suramérica/América del Sur

(astronomy) Europa (large moon of Jupiter)

(Greek mythology) Europa (woman seduced by Zeus)


nova

(astronomy) nova (any sudden brightening of a previously inconspicuous star)


Plutón

From Latin Pluton, from Ancient Greek Πλούτων (Ploútōn).


Saturno

Inherited from Old Galician-Portuguese Saturno, from Latin Saturno.
Cognate with Portuguese Saturno.


planeta

Inherited from Old Galician-Portuguese planeta f or m, from Latin planēta, from Ancient Greek πλανήτης (planḗtēs) variant of πλάνης (plánēs, “wanderer, planet”), from πλανάω (planáō, “wander about, stray”), of unknown origin.


nube

From Old Galician-Portuguese nuve (13th century, Cantigas de Santa Maria), from Latin nūbes. Cognate with Portuguese nuvem.


Deimos

(astronomy) Deimos (the outermost natural satellite of Mars)


observatorio

[ɔb.s̺ɛɾ.β̞aˈt̪ɔ.ɾjʊ]


cometa

From Latin comēta, from Ancient Greek κομήτης (komḗtēs, “long-haired”).


astrónomo

gl-noun

astrónomo m (plural astrónomos, feminine astrónoma, feminine plural astrónomas)

astrónomos (plural)
astrónoma (feminine)
astrónomas (feminine plural)

From Latin astronomus, from Ancient Greek ἀστρονόμος (astronómos).


revolución

Borrowed from Late Latin revolūtiō, revolūtiōnem, from Latin revolvō.


fase

From Ancient Greek φάσις (phásis, “appearance”).


extraterrestre

gl-noun

extraterrestre m or f by sense (plural extraterrestres)


interplanetario

gl-adj

interplanetario (feminine interplanetaria, masculine plural interplanetarios, feminine plural interplanetarias)

interplanetaria (feminine)
interplanetarios (masculine plural)
interplanetarias (feminine plural)


inclinación

Learned borrowing from Latin inclinatio, inclinationem.


asteroide

From Ancient Greek ἀστεροειδής (asteroeidḗs, “starlike”), from ἀστήρ (astḗr, “star”).


galaxia

From Latin galaxiās, from Ancient Greek γαλαξίας (galaxías, “milky”), from γάλα (gála, “milk”).


estrela

From Old Galician-Portuguese estrela, strela (“star”), from Latin stēlla (“star”), from Proto-Italic *stērolā, from Proto-Indo-European *h₂stḗr (“star”).


rotación

Learned borrowing from Latin rotatio, rotationem.


lúa

Inherited from Old Galician-Portuguese lũa (13th century, Cantigas de Santa Maria), from Latin lūna. Compare Portuguese lua and Spanish luna.


galáctico

gl-adj

galáctico (feminine galáctica, masculine plural galácticos, feminine plural galácticas)

galáctica (feminine)
galácticos (masculine plural)
galácticas (feminine plural)

Learned borrowing from Latin galacticus, from Ancient Greek γαλακτικός (galaktikós, “milky”).


sistema solar

gl-noun

sistema solar m (plural sistemas solares)


chuvia de meteoros

chuvia de meteoros f (plural chuvias de meteoros)


planeta anano

planeta anano m (plural planetas ananos)


xeocéntrico

gl-adj

xeocéntrico (feminine xeocéntrica, masculine plural xeocéntricos, feminine plural xeocéntricas)

xeocéntrica (feminine)
xeocéntricos (masculine plural)
xeocéntricas (feminine plural)


espazo

From Old Galician-Portuguese espaço (independently attested in both corpora), from Latin spatium. Cognate with Portuguese espaço and Spanish espacio.


Calisto

(astronomy) Callisto (large moon of Jupiter)


Titán

(astronomy) Titan (largest moon of Saturn)


Ganímedes

(astronomy) Ganymede (large moon of Jupiter)


radioastrónomo

gl-noun

radioastrónomo m (plural radioastrónomos, feminine radioastrónoma, feminine plural radioastrónomas)

radioastrónomos (plural)
radioastrónoma (feminine)
radioastrónomas (feminine plural)


interestelar

gl-adj

interestelar m or f (plural interestelares)


vento estelar

gl-noun

vento estelar m (plural ventos estelares)


estrela fugaz

estrela fugaz f (plural estrelas fugaces)


Proteo

(astronomy) Proteus, the sixth satellite of the planet Neptune


galileano

gl-adj

galileano (feminine galileana, masculine plural galileanos, feminine plural galileanas)

galileana (feminine)
galileanos (masculine plural)
galileanas (feminine plural)


exolúa

(astronomy, planetology) exomoon, extrasolar moon


Pléiades

Learned borrowing from Latin Pleiades, from Ancient Greek Πλειάδες (Pleiádes).


Carriño

From Carro (“Cart”) + -iño, "Little Cart".

víase sin nube algunha o ceo azul, víanse as estreliñas todas pendentes del, alá no medio o carriño e non moi lonxe as tres marías
You could see, no cloud at all, the blue sky; you could see the stars, all hanging from it; there, in the middle, the Little Dipper and, not that far, the Three Sisters

1911, Francisco Potel Pardal, Costumes da Terriña: