Space Crossword

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Across
  1. 4. The movement of Earth creating day and night
  2. 6. the unit of measurement used to measure distances in the Solar System
  3. 9. This object can be used to tell time
  4. 10. The movement of the Earth around the Sun
Down
  1. 1. a group of stars in a recognized pattern
  2. 2. the force that pulls two objects towards each other
  3. 3. unit used to measure distance between stars
  4. 5. place where stars are born
  5. 7. the process that causes stars to burn brightly
  6. 8. the imaginary line that the Earth spins on