Across
- 6. The largest planet in our solar system.
- 7. Our home galaxy.
- 8. The "Red Planet".
- 11. A streak of light in the sky, sometimes called a "shooting star".
- 12. The planet famous for its icy rings.
- 13. Earth's natural satellite.
Down
- 1. A huge collection of billions of stars and solar systems.
- 2. A cloud of dust and gas where stars are born.
- 3. The path a planet takes around the Sun.
- 4. The lack of air in space, which makes it silent.
- 5. The imaginary line on which Earth spins.
- 9. Another word for our star.
- 10. The hottest planet in the solar system.