sol

Inherited from Old Catalan sol, from Latin sōlem (“sun”), ultimately from Proto-Indo-European *sóh₂wl̥.

(astronomy) the Sun (the center of our solar system)


ombra

Inherited from Old Catalan ombra, from Latin umbra, probably from Old Latin *omra, possibly from a Proto-Indo-European *h₂mr-u-, *h₂mrup-.


node

(geometry, astronomy, physics, networking) node


atmosfera

From New Latin atmosphaera, from Ancient Greek ἀτμός (atmós, “steam”) + σφαῖρα (sphaîra, “sphere”). Equivalent to atmo- + -sfera.


planeta

Borrowed from Latin planēta (“planet”), from Ancient Greek πλανήτης (planḗtēs) variant of πλάνης (plánēs, “wanderer, planet”).


cometa

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


fase

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


Alcíone

Learned borrowing from Latin Alcyonē, from Ancient Greek Ἀλκυόνη (Alkuónē).

(astronomy) Alcyone (brightest star in the Pleiades)


planetari

ca-adj

planetari (feminine planetària, masculine plural planetaris, feminine plural planetàries)

planetària (feminine)
planetaris (masculine plural)
planetàries (feminine plural)


asteroide

[əs.təˈɾɔj.ðə]

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


anell

Inherited from Latin ānellus, diminutive of ānus (“ring”). Cognate with Occitan anèl, French anneau, Italian anello, Portuguese anel, and Spanish anillo.


escorpí

Borrowed from Latin scorpiō, from Ancient Greek σκόρπιος (skórpios).


noviluni

Learned borrowing from Latin novilūnium.


pleniluni

Learned borrowing from Latin plēnilūnium.


sistema solar

ca-noun

sistema solar m (plural sistemes solars)


ovni

Acronym of objecte volador no identificat, a calque of English unidentified flying object.


multivers

multiverse (hypothetical group of all possible universes)


horitzó d'esdeveniments

ca-noun

horitzó d'esdeveniments m (plural horitzons d'esdeveniments)


velocitat d'escapament

velocitat d'escapament f (plural velocitats d'escapament)


heliotropi

Learned borrowing from Latin hēliotropium.


vent estel·lar

ca-noun

vent estel·lar m (plural vents estel·lars)


unitat astronòmica

unitat astronòmica f (plural unitats astronòmiques)


abisme

Inherited from Vulgar Latin *abȳssimus, superlative of abyssus.


constel·lació

constel·lació f (plural constel·lacions)


bòlid

(astronomy) bolide (extremely bright meteor)


cabellera

[kə.βəˈʎe.ɾə]

(astronomy) tail (the visible stream of dust and gases blown from a comet by the solar wind)


cosmològic

ca-adj

cosmològic (feminine cosmològica, masculine plural cosmològics, feminine plural cosmològiques)

cosmològica (feminine)
cosmològics (masculine plural)
cosmològiques (feminine plural)


albedòmetre

[əl.βəˈðɔ.mə.tɾə]


Atles

Borrowed from Latin Ātlās, from Ancient Greek Ἄτλας (Átlas).

ca:Atles (mitologia)
ca:Atles (satèl·lit)


Lleó

Inherited from Latin leō (“lion”), whence also lleó, from Ancient Greek λέων (léōn).


marcià

marcià (feminine marciana, masculine plural marcians, feminine plural marcianes)

marciana (feminine)
marcians (masculine plural)
marcianes (feminine plural)


Andròmeda

[ənˈdɾɔ.mə.ðə]


decreixent

decreixent m or f (masculine and feminine plural decreixents)

quart decreixent


empiri

empiri (feminine empíria, masculine plural empiris, feminine plural empíries)

empíria (feminine)
empiris (masculine plural)
empíries (feminine plural)

Learned borrowing from Latin empyrius, from Ancient Greek ἐμπύριος (empúrios).

altures empíries


efemèride

(in the plural, astronomy) ephemeris, almanac (table giving the apparent position of celestial bodies throughout the year)


jovià

jovià (feminine joviana, masculine plural jovians, feminine plural jovianes)

joviana (feminine)
jovians (masculine plural)
jovianes (feminine plural)

Borrowed from Latin ioviānus, from Iovis, genitive of Iuppiter.


aurèola

Learned borrowing from Latin aureola, feminine form of aureolus. Doublet of oriola, a popular development.


platet volador

ca-noun

platet volador m (plural platets voladors)


estrella endarrerida blava

estrella endarrerida blava f (plural estrelles endarrerides blaves)


armil·la

(astronomy) armill (ancient astronomical instrument)


astroquímic

astroquímic m (plural astroquímics, feminine astroquímica)

astroquímics (plural)
astroquímica (feminine)


cinturó d'asteroides

cinturó d'asteroides m (plural cinturons d'asteroides)