Across
- 3. Who was the first person to walk on the moon
- 8. Mercury, Venus, Earth, and Mars are a type of planet
- 12. is a gas giant
- 14. planet where humans live
- 15. second planet away from the sun
Down
- 1. is a planet that is cold
- 2. Jupiter,Saturn,Uranus and Neptune are a type of planet
- 4. smallest planet in the solar system
- 5. the eighth planet in the solar system
- 6. What is the name of the force holding us to the Earth
- 7. consist of stars, planets, and vast clouds of gas and dust, all bound together by gravity
- 9. planets that are bound to it by gravity
- 10. The only star in our solar system
- 11. largest planet in the solar system
- 13. planet known as the red planet