The only one I know of is G350.1-0.3, It was thought to be a galaxy but turned out to be a supernova remnant.
Uranus.
A musical instrument starting with the letter g is a guitar.
Germany
Galaxy. "Galaxy" is spelled g-a-l-a-x-y.
G G
Georgia.
geyser
Gazelle.... i think.
Gazelle
· galaxy · gravity
Greenstone.
GuessGucciGiorgio Armani