Across
- 1. the seventh planet from the sun
- 4. The planet we live on
- 7. the name for people that go to space
- 9. the fourth planet from the sun
- 13. the study of outer space
- 14. the fifth planet from the sun
- 15. The big yellowy ball of gas that the planets orbit
- 16. The round natural satellite that cause tides on Earth
Down
- 2. the vehicle astronauts use to go to space
- 3. The first planet from the Sun
- 5. the force that keeps us on the ground in Earth
- 6. the sixth planet from the sun
- 8. the eight planet from the sun
- 10. these twinkle at night and are very far away
- 11. the second planet from the sun
- 12. The dwarf planet that isn't included in the planets of our solar system anymore
