Across
- 2. heavenly bodies with bright tails that we seldom see
- 5. the third closest planet to the sun
- 6. The amount of time it takes for the Earth to go around the sun
- 9. large rocky bodies that wander between the planets
- 10. study of stars, planets, all other heavenly bodies
Down
- 1. groups of stars that seem to form pictures
- 3. The suns of other solar systems
- 4. The closest planet to the sun
- 7. a meteor that hits the Earth
- 8. a large group of stars that are reasonably close together