Astronomy Review

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Across
  1. 1. spacecraft that can carry a crew into space and back to Earth
  2. 6. huge group of stars, star systems, dust, and gas in space
  3. 9. spinning of a planet on its axis
  4. 10. movement of an object around another
  5. 12. natural satellite
  6. 13. all of space and everything in it
  7. 14. imaginary line about which Earth rotates
Down
  1. 1. longest or shortest day of the year
  2. 2. eclipse caused when the Earth blocks sunlight from reaching the moon
  3. 3. eclipse caused when the moon blocks sunlight from reaching Earth
  4. 4. study of objects in space and their movements
  5. 5. force of attraction between objects
  6. 7. "Equal day - equal night"
  7. 8. tendency to resist a change in motion
  8. 11. a push or a pull