Solar System

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Across
  1. 1. the star closest to the earth
  2. 2. to turn on an axis
  3. 4. large planet known for the Great Red Spot
  4. 5. third planet from the sun; only planet people have walked on
  5. 8. number of planets in our solar system
  6. 10. Saturn, Jupiter, Uranus, and Neptune have _______ around them
  7. 11. planet with the brightest rings
  8. 14. the red planet; humans have sent robots here
  9. 15. furthest planet from the sun
  10. 17. number of stars in our solar system
  11. 18. Neil Armstrong was the first person to walk on the...
  12. 19. our sun and the objects that orbit around it
Down
  1. 1. place where astronauts live and work in space
  2. 3. an American space traveler
  3. 6. warmest planet; cloudy planet
  4. 7. it takes Earth 365 days to ______ the sun
  5. 9. the force that pulls you towards the center of a planet or star
  6. 12. planet that rotates on its side
  7. 13. instrument used for seeing stars and planets clearly
  8. 16. dwarf planet with two moons
  9. 20. planet closest to the sun