Across
- 2. is known as the sideways planet because it rotates on its side.
- 5. the only planet billions of people have walked on.
- 6. Scientist decided I was too small. Now I am known as the dwarf planet.
- 8. has more volcanoes than any other planet.
- 10. I was of the first people to walk on the moon.
- 11. carry the name of the Roman god of war and are often referred to as the "Red Planet."
Down
- 1. The sixth planet from the Sun and the second-largest in the solar system.
- 3. there is only one star in our solar system. The galaxy has a million stars.
- 4. is the stormiest out of all the planets.
- 7. It takes me eight minutes to travel from the sun to earth.
- 9. the closest planet to the sun.
