Across
- 6. Third planet from the sun
- 8. Orbits Earth
- 10. Scientist who explores and studies space
- 11. Flying space rock
- 12. Planet before Neptune
- 13. Last name of astronaut who reached the moon
- 15. hole Light cannot escape it
Down
- 1. First outer planet
- 2. 11 First space craft to reach the moon in 1969
- 3. Closest planet to the sun
- 4. Hottest planet in the solar system
- 5. Famous for its rings
- 7. sun The center of our solar system
- 9. Nickname is the "Blue Planet"
- 11. The red planet
- 14. Force that keeps all planets in sun's orbit