Answer:
asteroid, constellation, galaxy, meteorite, moon, planet, solar system, star, sun, universe
1 A very large round object which moves around a sun or a star, e.G. Mars.
SUN
2 The star that shines during the day and gives the Earth light and heat
MOON
3 The whole of space and everything in it.
UNIVERSE
4 A rock from space which hits the Earth.
METEORITE
5 A ball of burning gas in space. At night we see these as spots of light in the sky.
STAR
6 A group of stars which form a pattern and have a name.
CONSTELLATION
7 A group of planets which move around the same star or sun.
SOLAR SYSTEM
8 A large group of stars and planets. The Earth is part of the Milky Way.
GALAXY
9 Something which moves around another planet.
PLANET
10 A large rock or small planet
ASTEROID