Across
- 3. Earth, Mars, Jupiter and others
- 5. a ball of ice with a tail
- 6. a piece of rock, which burns
- 9. a group of stars
- 10. the place where the planets and stars are
- 11. ruin
- 12. system of millions of stars,planets
Down
- 1. you can see it in the sky at night
- 2. a period when many meteors are seen
- 4. crash together
- 7. a round area on the Moon
- 8. the galaxy that contains our Solar System