Across
- 2. first to use a telescope to report what he saw
- 3. most orbit the sun in a band between mars and jupiter
- 4. pieces of rock floating through space
- 6. another word for inner
- 8. orbiting companion of planets
- 9. planets, moons and stars move in this kind of orbit
- 10. ¨dirty snowballs¨
Down
- 1. first believed in heliocentric universe
- 5. too small to clear its orbit but big enough for its own gravity to make it round
- 7. another word for outer