Across
- 2. a dwarf planet
- 5. the planet closest to the sun
- 8. ringed planet
- 10. a hot ball of gas
- 11. water covers more than 70% of the surface
- 12. Neil Armstrong was one
- 13. the giant of the solar system
Down
- 1. lunar rover
- 3. is about the same size as earth
- 4. is used to see things far away
- 6. a way for people to travel to the moon
- 7. has a pink tinge to its sky due to iron oxide dust
- 9. rotates on its axis once every 17.24 Earth hours