Across
- 3. Spinning neutron star emitting radio waves
- 5. Known as the Red Planet
- 6. Planet with thick toxic clouds
- 8. Cloud of gas and dust in space
- 9. Small rocky body orbiting the Sun
- 11. Closest planet to the Sun
- 12. Our home planet
Down
- 1. Exploding star
- 2. Massive system of stars, gas, and dust
- 4. Largest planet in our solar system
- 7. Planet famous for its rings
- 10. Icy body with a tail that passes near Sun