Crossword

1234567891011121314151617181920212223
Across
  1. 1. earth is in _____ around the sun
  2. 3. a large body of matter
  3. 5. the resistance to change in motion
  4. 9. a unit of measurement we use in space
  5. 10. a giant cloud of dust
  6. 11. A famous astronomer
  7. 12. the closest star to earth
  8. 15. an element that makes up an star
  9. 16. the brightest star we can see
  10. 17. our sun is this
  11. 19. our galaxy
  12. 21. stars that make up a shape in the sky
  13. 22. this pulls us all down
Down
  1. 2. something that orbits earth with people living inside
  2. 4. a region in the solar system that includes pluto
  3. 6. an hour and a half
  4. 7. something we send into space
  5. 8. not even light can escape
  6. 13. the milky way is an example of this
  7. 14. Greek princess who was saved by perseus
  8. 18. what earth is
  9. 20. the planet in which we exit on
  10. 23. the farthest man-made object in space