Across
- 3. Milky Way. A galaxy containing 8 planets in it's solar system.
- 4. A moon of a planet which has life on it.
- 7. A planet surrounded with asteroids
- 8. A star in our solar system.
- 10. A celestial body orbiting the Earth.
Down
- 1. The world's biggest gas planet.
- 2. The closest planet to the sun.
- 5. A dwarf planet.
- 6. A planet that has been discovered.
- 9. The furthest planet from the sun.