Astronomy crossword

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Across
  1. 4. The turquoise planet
  2. 6. The largest planet in the Solar System
  3. 8. Earth's closest neighbour
  4. 9. The planet which is closest to the sun
  5. 10. The hottest planet in the Solar System
Down
  1. 1. The planet of the ocean king
  2. 2. Was once a planet, but was changed to be a dwarf planet in 2006
  3. 3. The planets revolve around this
  4. 5. Planet with the most obvious rings
  5. 7. Our home planet
  6. 9. The red planet