Across
- 4. People that explore space
- 7. Objects that move in between planets
- 8. Used to protect astronauts hand from the crazy temperatures
- 10. The thing space doesn't have but humans need
- 11. The biggest star in our solar system
- 13. The seventh planet from the sun
- 14. The thin layer around the earth that protects us from space
- 15. Planet where all known life is on
- 16. The things that orbit the sun
- 17. What orbits the planets
- 18. Mercury,Venus,Earth,Mars
- 19. Rocky objects that orbit the sun
Down
- 1. Space has none
- 2. Protects earth from radiation
- 3. Astronauts wear them to protect their bodies in space
- 5. The first man to walk on the moon
- 6. The device used to get astronauts back to there spacecraft
- 9. Jupiter,Saturn,Uranus,Neptune
- 10. The way the planets move around the sun
- 12. The machine that is used to travel to space