A galaxy is made of which of the following?
stars
dust and gas
both a and b

Question

A galaxy is made of which of the following? 
    stars 
   dust and gas 
   both a and b

savvy · Answer

we live in Milky way....We obviously have a star - "THE SUN"...and there are gases too on the planets...jupiter mainly consists of gases and dust particles....hence a galaxy is made up of both...

anonymous · Answer

Both - in the Milky Way we have stars and gases and dust particles as some planets are made up of dust particles and gases.

anonymous · Answer

Outside of our solar system, the Milky Way has nebula that are clouds of gas and dust. http://en.wikipedia.org/wiki/Nebula So a galaxy is made up of both, stars plus gas and dust.