Across
- 2. planet with the brightest rings
- 3. Earth does this as it revolves around the Sun
- 6. furthest planet from the sun
- 7. dwarf planet with two moons
- 8. Saturn, Jupiter, Uranus and Neptune have these around them
- 9. place where astronauts live and work in space
- 10. Armstrong was the first person to walk on the...
- 14. the force that pulls you towards the center of the planet
- 16. planet closest to the sun
- 17. an American space traveler
- 19. the star closest to Earth
- 20. number of stars in our solar system
Down
- 1. large planet known for the Great Red Spot
- 4. instrument used for seeing stars and planets clearly
- 5. our sun is in the center of it
- 11. number of planets in our solar system
- 12. third planet from the sun; only planet people have walked on
- 13. planet that rotates on its side
- 15. Warmest plant; cloudy planet
- 16. the red planet; humans have sent robots here
- 18. to turn on an axis