Across
- 2. A small vehicle used to explore the Moon's surface
- 3. The path that the Earth takes around the Sun
- 7. A person who travels in space
- 9. Ocean movement caused by the Moon's gravity
- 10. The U.S. space agency that launches space missions
- 12. The Moon's changing shapes during the month
- 14. What astronauts wear to stay alive in space
- 15. A group of stars that forms a picture
Down
- 1. The force that pulls the Moon towards the Earth
- 3. The path the Moon takes around the Earth
- 4. Tool used to look at stars and planets
- 5. Holes on the Moon's surface caused by impacts
- 6. Earth's only natural satellite
- 8. The first country to land on the moon
- 11. The vehicle made to travel in space
- 13. The closest star to Earth
- 16. Time of day during which the moon is visible
