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