Across
- 3. The curved path of a celestial object or spacecraft round a star
- 5. a small rocky body orbiting the sun.
- 6. system the collection of eight planets and their moons in orbit round the sun
- 8. a spot or patch that appears from time to time on the sun's surface
- 9. a celestial body moving in an elliptical orbit around a star.
- 11. is a piece of rock or metal that has fallen to the earth's surface
Down
- 1. fixed luminous point in the night sky which is a large, remote incandescent body like the sun
- 2. is a small body of matter from outer space that enters the earth's atmosphere
- 4. the natural satellite of the earth, visible
- 6. an artificial body placed in orbit around the earth or moon
- 7. a unit of astronomical distance equivalent to the distance that light travels in one year
- 8. is in the centre of the solar system
- 10. a celestial object consisting of a nucleus of ice and dust