Astronomy

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Across
  1. 4. ______ galilei
  2. 7. this planet
  3. 8. ☀️ in middle of the solar system
  4. 9. seventh planet from sun
  5. 11. spacetime where gravity is so strong that nothing
  6. 16. ☀️
  7. 17. invisible light
  8. 18. small rocky or metallic body in outer space
  9. 19. second planet from the sun
  10. 20. red planet
Down
  1. 1. gas giant with a mass more than two and a half times that of all the other planets in the Solar System combined
  2. 2. ☆
  3. 3. what kind of telescope is Hubble telescope
  4. 5. 🌏 in the middle of the solar system
  5. 6. an object moving aroung something
  6. 10. _____, liquid and gas
  7. 12. the universe considered as a whole
  8. 13. jupiter's moon
  9. 14. solid, liquid and ___
  10. 15. planet with a ring