Across
- 3. an artificial body placed in orbit around earth or moon
- 4. The collection of eight planets and their moons in orbit around the sun
- 6. a system of millions and billions of stars, together with gas and dust, held together by gravitational attraction
- 8. A piece of rock or metal that has fallen to the earth's surface from outer space
- 10. A big star that the earth orbits around
- 11. A Celestial object consisting of a nucleus of ice and dust
- 12. A small rocky body orbiting the sun
Down
- 1. A small body of matter from outer space that enters the earth's atmosphere
- 2. A celestial body moving in an elliptical orbit around a star
- 5. a unit of astronomical distance equivalent to the distance that light travels in one year
- 7. a spot or patch that appears from time to time on the sun's surface
- 8. the natural satellite of the earth visible at night
- 9. The curved path of a celestial body or spacecraft around a star
- 10. A fixed luminous point in the night sky which is made up of gases