Space

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Across
  1. 1. Aldrin second person on the moon
  2. 5. Solar systems inhabit them
  3. 6. Brother to uranus
  4. 8. Armstrong Person who said, "one small step for man, one giant leap for mankind"
  5. 9. Most famous dwarf planet
  6. 10. closest to the sun
  7. 12. Person who found out four moons of Jupiter, named the galileon moons in his honour
  8. 13. Closest planet to the sun next to earth
Down
  1. 2. Galaxies inhabit them
  2. 3. planet with rings
  3. 4. Biggest gas planet in the solar system
  4. 7. planet we live in
  5. 10. red dusty planet
  6. 11. Brother neptune