Across
- 2. A small rocky body orbiting the sun
- 4. a star that the earth orbits around
- 7. a collection of planets in orbit around a star
- 9. we are on one of these
Down
- 1. the distance that light travels in one year
- 3. a patch that appears from time to time on the sun's surface
- 4. an artificial body placed in orbit around something
- 5. The milky way is a __________
- 6. when near the sun a ‘tail’ of gas and dust particles show up
- 8. the natural satellite of the earth