Across
- 1. The first spaceship that went to the Moon
- 4. One of the four natural elements
- 5. The closest planet to the Sun
- 7. The opposite of natural
- 9. A hole on the ground of a planet
- 11. One of the satellites of Jupiter
- 13. The first man on the Moon
- 14. The satellite of Saturn
Down
- 2. Invisible circle around the Sun
- 3. The instrument that we use to observe space
- 6. When a planet makes one turn on itself
- 8. When we go to a planet and our spaceship arrives
- 10. When a planet goes around the Sun
- 12. The satellite of Earth