Focloir g

From South Dublin Astronomical Society

galactic centre lár m1 an Réaltra

galactic cluster (= galactic star cluster) réaltbhraisle f4 réaltrach
galactic co-ordinates comhordanáidí fpl réaltracha
galactic disc diosca m4 réaltrach

galactic equator meánchiorcal m1 réaltrach
galactic halo luan m1 an Réaltra
galactic latitude leithead m1 réaltrach

galactic longitude fad m1 réaltrach
galactic motion gluaisne f4 réaltrach
galactic nebula réaltnéal m1 réaltrach

galactic plane plána m4 an Réaltra
galactic poles poil mpl an Réaltra
galactic radio-noise radathorann m1 réaltrach

galactic rotation rothlú m réaltrach
galactic star cluster (= galactic cluster) réaltbhraisle f4 réaltrach
galactic system córas m1 réaltrach

Galactic system, the (= the Galaxy, the Milky Way System) an Córas m1 Réaltrach
galactic window fuinneog f2 réaltrach
galaxy s (= extragalactic nebula) réaltra m4

Galaxy, the s (= the Galactic System, the Milky Way system) an Réaltra m4
Galilean moons gealacha fpl Galileo

Galilean telescope teileascóp m1 Galileo
gamma-ray s gáma-gha m4 (pl -thanna)

gamma ray burst rois f2 gháma-ghathach
Ganymede s (Sat.) Ganymede m4
Garnet star, the réalta f4 an Ghairnéid

gas cloud scamall m1 gáis
gaseous nebula réaltnéal m1 gásach
gaseous tail eireaball m1 gásach

gas wisp cifle m4 gáis
gegenschein s (= counterglow) frithloinnir f (gs

-nnreach)
Gem, the s (= Alphekka, Gemma) (Star) an tSeoid f2
Gemini s (= the Twins) (Const.) Gemini m4

Geminids spl (Met.Sh.) Geiminidí fpl
Gemma s (= Alphekka, the Gem) (Star) Gemma m4

general precession luainíocht f3 ghinearálta
general theory of relativity teoiric f2 ghinearálta na coibhneasachta
generation s giniúint f3

geocentric position suíomh m1 geolárnach
geocentric universe cruinne f4 gheolárnach
geocentric zenith forar m1 geolárnach

geocorona s geochoróin f (gs -ónach)
geodesy s geodasaíocht f3

geographic latitude leithead m1 geografach
geographic longitude fad m1 geografach
geoid s geoid f2

geomagnetic field réimse m4 geomaighnéadach
geosynchronous orbit fithis f2 gheoisioncrónach
German mounting gléasadh m Gearmánach

ghost s scáil f2 (pl -eanna)
giant s (= giant star) fathach m1

giant branch brainse m4 fathachréaltaí
giant planets (= Jovian planets) ollphláinéid mpl
giant sequence seicheamh m1 fathachréaltaí

giant star (= giant) fathachréalta f4
gibbous a scothlán
gimbal s giombal m1

Giraffe, the s (= Camelopardalis) (Const.) an Sioráf m1
globular star cluster réaltbhraisle f4 chruinneogach

globules spl cruinníní mpl
GMT (Greenwich Mean Time) MAG, Meán-Am Greenwich
gnomon s nóman m1

Goat, the s (= Capricornus, the Sea Goat) (Const.) an Gabhar m1
golden number uimhir f órga

Golden Yardarm (= Jacob's Staff) (instrument) Steafóg f2 San Séam
gradient s grádán m1
Grand Unified Theory (GUT) Mórtheoiric f2 Aontaithe

grain s gráinne m4
granulation s gránú m (gs -naithe)

granule s gráinnín m4
grating s gríl f2
gravitation s imtharraingt f (gs -the)

gravitational collapse imphléascadh m imtharraingteach
gravity s domhantarraingt f (gs -the)

great circle mórchiorcal m1
Great Bear, the (= Ursa Major) (Const.) an Béar m1 Mór
Great Cluster in Hercules, the an Ollbhraisle f4 in Earcail

great comet cóiméad m1 mór
Great Dog, the (= Canis Major) (Const.) an Madra m4 Mór
Great Nebula in Orion, the (= Orion Nebula) réaltnéal m1

Oiríon, Buaile f4 an Bhodaigh
Great Red Spot, the (= the Red Spot) an Deargspota m4 Mór
great spiral bís f2 mhór

Great Square of Pegasus Cearnóg f2 Mhór Pheigeasais
Greek alphabet aibítir f2 na Gréigise
green flash (= green ray) bladhm f3 uaine

greenhouse effect iarmhairt f3 cheaptha teasa
green ray (= green flash) bladhm f3 uaine
Greenwich Mean Time (GMT) Meán-Am m3 Greenwich, MAG

Greenwich meridian (= meridian of Greenwich) fadlíne f4 Greenwich
Greenwich Observatory Réadlann f2 Greenwich
Gregorian calendar féilire m4 Ghréagóra

Gregorian reflector frithchaiteoir m3 Ghréagóra
ground-based radio astronomy radairéalteolaíocht f3 ón talamh
Grus s (= the Crane) (Const.) Grus f4

G stars spl G-réaltaí fpl
guide star réalta f4 threorach
guide telescope teileascóp m1 treorach

GUT (Grand Unified Theory) Mórtheoiric f2 Aontaithe