I <3 POLAND

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Across
  1. 3. The closest planet to the sun
  2. 5. Released gas by star
  3. 6. A collection of stars and planets
  4. 8. Collection of space gas
  5. 10. The former 9th planet
  6. 11. The thing Isaac Newton invented
  7. 13. Collection of gas that collects heat
  8. 15. The closest star system to ours
  9. 16. The closest dwarf planet
  10. 17. The hottest planet
Down
  1. 1. The largest dwarf planet
  2. 2. The death of a star
  3. 4. The Latin name for the moon
  4. 7. The length at which light takes a year to travel
  5. 9. Average distance between earth and the sun (150 million km.)
  6. 12. The floating rocks in space
  7. 14. The 6th planet from the Sun