planets and more

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Across
  1. 3. 7th from the sun(6)
  2. 5. named after a roman goddess(5)
  3. 6. the god of war(4)
  4. 8. second largest planet(6)
  5. 10. largest land mammal(8)
  6. 12. penguins live there(9)
  7. 13. eagle biggest bird in britain(17)
Down
  1. 1. largest planet(7)
  2. 2. capital city of the U.S.A(15)
  3. 4. largest country in the world(6)
  4. 6. closest to the sun(7)
  5. 7. dwarf planet(5)
  6. 9. blue planet 8th away from the sun(7)
  7. 11. known as the blue planet(5)