Puzzle 2

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Across
  1. 4. imaginary line through Earth
  2. 5. day of star creation
  3. 8. pull that keeps us on the ground
  4. 10. consists of sun and 8 planets
  5. 13. first day of spring
  6. 14. bear
  7. 15. spinning on axis
  8. 17. hottest star
  9. 19. first day of summer
  10. 20. hot balls of burning gas
  11. 21. closest star
Down
  1. 1. cloud of gas/dust in space
  2. 2. made of rock, dust, and ice
  3. 3. our galaxy
  4. 6. path taken around sun
  5. 7. bright eruption on a star
  6. 9. creator of the universe
  7. 11. helps see the stars
  8. 12. regions in the sky
  9. 16. large pieces of rock orbiting sun
  10. 18. group of patterned stars