Space Exploration

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Across
  1. 3. - Star system.
  2. 5. - Relating to sun
  3. 7. - Red planet.
  4. 8. - Ice body.
  5. 10. - Propelled vehicle.
  6. 11. - Mars explorer.
  7. 12. - Universe.
  8. 14. - Path around.
  9. 16. - Space telescope.
  10. 18. - Spacecraft.
  11. 20. - Star nursery.
  12. 21. - Moon missions.
  13. 22. - U.S. space agency.
Down
  1. 1. - Space probe.
  2. 2. - Bright object.
  3. 4. - Star gazing.
  4. 6. - Space traveler.
  5. 7. - Shooting star.
  6. 9. - Lunar surface.
  7. 13. - First satellite.
  8. 15. - Space station.
  9. 17. - Takeoff.
  10. 19. - Celestial event.
  11. 21. - Space rock.