Answer :
Astronomical body = A) An object in space
Galaxy = B) A system of stars held by gravitational attraction
Comet = C) A celestial object consisting of a nucleus of ice and a stream of gas and dust
Moon = D) An astronomical body that orbits around a planet
Galaxy = B) A system of stars held by gravitational attraction
Comet = C) A celestial object consisting of a nucleus of ice and a stream of gas and dust
Moon = D) An astronomical body that orbits around a planet