Space Shuttle launch

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Across
  1. 1. the tank on the outside holds this
  2. 6. shuttles stay in orbit without
  3. 7. space shuttles are rockets not
  4. 10. this space station is where astronauts live in space
  5. 13. what natural pull keeps the shuttle in orbit
  6. 14. is it important astronauts stay as long as possible for
  7. 16. shuttles can orbit for one to two
  8. 18. extra weight does what to the amount of time spent in space
  9. 19. astronauts are trained to collect information on space, ______, stars and comets
Down
  1. 2. fuel tanks fall off so the shuttle is
  2. 3. this carries the astronauts
  3. 4. it is very expensive to add this to the rocket
  4. 5. the fuel tanks do this after take off
  5. 8. shuttle trips used to be only
  6. 9. boosters/ lift and blast the shuttle
  7. 11. astronauts are sent to repair other
  8. 12. Space shuttles have ___ main pieces
  9. 15. the reason rockets work so well in space
  10. 17. shuttles send astronauts to and from
  11. 20. orbiters are meant for small periods of