Crosswords TheKidz

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Across
  1. 2. Most of the solar system are named after roman...
  2. 3. Main materials that made asteroids
  3. 8. Spotters
  4. 11. Coldest place in the universe Nebula
  5. 13. Space exploration organization
  6. 15. Enormous cloud of dust and gas
  7. 16. "This" causes high and low tides
  8. 17. Another name for Ursa Major is big...
  9. 18. Orion's brightest star
  10. 21. A galaxy where Earth located
Down
  1. 1. Planets that are bigger than Earth in total
  2. 4. Pluto's largest moon
  3. 5. Region beyond Neptune orbit
  4. 6. Planet with hexagonal shaped storm
  5. 7. Tianwen mission
  6. 9. The sea of tranquility
  7. 10. Morning and evening star
  8. 12. Largest moon in Milky Way
  9. 14. Farthest point of an object's orbit around another body
  10. 19. Twin
  11. 20. Largest moon of Saturn