the Milky Way Galaxy

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Across
  1. 1. what is the hottest planet
  2. 3. what is the biggest planet
  3. 4. nor venus which two planets have no moons
  4. 6. how many planets are in our solar system
  5. 7. formed around 4.6 billion years ago
  6. 9. how many times is the sun than the earth
  7. 10. how long does it take for mercury to orbit
  8. 12. what is the smallest planet
Down
  1. 2. who is the first man to walk on the moon
  2. 5. Scuti what is the biggest star
  3. 8. how far is the earth tilted on it's axis
  4. 11. many stars are in the milky way