Across
- 4. the planet seventh from the sun.
- 7. rocky bodies between Mars and Jupiter.
- 8. a spaceship driven by rockets.
- 10. a being from another world.
- 11. a natural body visible in the night sky.
- 13. the planet sixth from the sun.
- 14. the star around which the planets revolve.
- 15. the planet second from the sun.
- 16. the planet eighth from the sun.
Down
- 1. the first planet nearest the sun.
- 2. the fifth planet from the sun.
- 3. the third planet on which we live.
- 5. the earth's natural satellite that shines.
- 6. a spacecraft designed to transport people and cargo
- 7. a traveler in a spacecraft.
- 9. the planet fourth from the sun.
- 12. an instrument for viewing objects in outer space.