The Planets

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Across
  1. 2. Astronauts have visited this place
  2. 6. The biggest planet in the solar system
  3. 8. A piece of equipment used for seeing stars and planets clearly
  4. 9. A man person that visited the moon
  5. 12. All the gases that surround a star or a planet
  6. 15. The huge space which contains all of the matter and energy in existence
  7. 17. A big ball of dirty ice and snow in outer space
  8. 18. Was once a planet but is now a dwarf planet
  9. 19. A red planet
  10. 20. Our planet
Down
  1. 1. This planet rotates on its side
  2. 3. The eighth planet from the sun
  3. 4. The galaxy we live in (two words joined together)
  4. 5. Also known as a shooting star
  5. 7. A scientist who studies stars and planets
  6. 10. This planet is sometimes called the evening or morning star
  7. 11. Is the smallest planet
  8. 13. The Earth goes around it
  9. 14. There are billions of these in the night sky
  10. 16. A planet with rings around it