Space crossword puzzle

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Across
  1. 5. new, waxing crescent, first quarter, waxing gibbous, full, waning gibbous, third quarter, and waning crescent are all _________________
  2. 6. a force that pulls or attracts
  3. 7. it takes a year or 365 days for the earth to complete one around the sun
  4. 8. a medium-sized star
  5. 9. The tilt is why we have _______ the orbit is why _______ change
  6. 12. the sun is one
Down
  1. 1. places where millions and millions of stars are
  2. 2. you can see different ones at different times of year
  3. 3. a stars brightness counts on its size temp and ______ from earth
  4. 4. earth makes a complete _____ in 24 hours
  5. 10. diagonal line through the earth
  6. 11. these support evidence that the sun "moves" through the sky