Space Crossword

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Across
  1. 4. The same thing as a star
  2. 6. A collection of solar systems
  3. 8. They orbit in between the inner and outer planets
  4. 10. A star exploding
  5. 11. Has mass, it's dark
  6. 13. Everything ever
  7. 14. The most famous dwarf planet
Down
  1. 1. A star with planets and dwarf planets going around it
  2. 2. Something which goes around a star
  3. 3. Our sun will become one of these
  4. 5. A dust cloud in space
  5. 7. The four outer planets are these
  6. 9. What's left behind after a supernova
  7. 12. Something which goes around a planet