solar system crossword

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Across
  1. 3. the only planet with life
  2. 5. Jupiter's moon that is very close to Earth's moon
  3. 6. the second person to walk on the Moon
  4. 7. became the first American woman in space aboard the space shuttle
  5. 11. a program to see if humans could function in space.
  6. 14. the first mission to land a man on the moon
  7. 17. a minor space object that has entered the Earth's atmosphere
  8. 18. a monkey who successfully was sent to space
  9. 20. about the size of a pebble
  10. 21. It is the only moon in the entire solar system with a dense atmosphere
  11. 22. last person to walk on the moon
  12. 24. has the big red spot
  13. 25. Jupiter’s volcanic moon
  14. 26. neptune’s biggest moon
Down
  1. 1. has over 30 rings
  2. 2. has 27 moons
  3. 4. first astronaut in space
  4. 8. the second smallest planet in our solar system
  5. 9. NASA's second human spaceflight program
  6. 10. Earth’s sister planet
  7. 12. these planets haven’t ¨Cleared their neighborhood¨
  8. 13. when they hit the surface of a planet or a moon it is considered a ...
  9. 15. first animal/dog in space
  10. 16. an animal that was sent into space on 9 March 1961
  11. 17. named after the roman god of Thieves
  12. 19. larger than meteoroids
  13. 23. coldest planet in the solar system