Space Review

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Across
  1. 3. rock burning in atmosphere
  2. 5. dark part of the moon
  3. 8. the inner planets
  4. 11. phases of the moon gaining light
  5. 13. June 21st
  6. 14. shape of an object's revolution
  7. 15. darkest part of a shadow
  8. 18. planets atmosphere traps heat
  9. 20. most massive planet
  10. 21. the warmest planet
Down
  1. 1. causes the tides
  2. 2. season starting on dec 21 in southern hemisphere
  3. 4. the planet with similarly sized moon
  4. 6. millions of these are on the moon
  5. 7. mr. js favorite moon phase (no spaces)
  6. 9. eclipse that forms when the moons shadow falls on earth
  7. 10. 12 hour night and day
  8. 12. complete spin
  9. 16. planet without an atmosphere
  10. 17. the last planet
  11. 19. largest dwarf planet