Across
- 3. what planet is closet to the sun
- 4. The planets known as the giant planets are also known as the outer planets
- 7. What is the name of the force holding us to the Earth?
- 8. How many billion years old is the solar system?
- 10. What is the name of the 2nd biggest planet in our solar system?
- 11. Olympus Mons is a large volcanic mountain on which planet?
Down
- 1. What is the hottest planet in our solar system?
- 2. Who was the first person to walk on the moon?
- 5. How many minutes does it takes for light from the sun to reach the earth
- 6. Is the planet Neptune bigger than Earth?
- 9. is the sun a star or a planet