Across
- 2. Rock that burns in the sky
- 8. Biggest planet in the solar system
- 9. Person who travels to space
- 12. The galaxy we live in
- 14. Tool used to see stars and planets
- 16. Known as the red planet
- 17. Icy space object with a glowing tail
- 18. Planet with the beautiful rings
Down
- 1. Hottest planet with thick clouds
- 3. Path planets follow around the sun
- 4. Farthest planet from the sun
- 5. Blue-green planet that spins on its side
- 6. Earth's natural satellite
- 7. Worn by astronauts in space
- 10. The planet we live on
- 11. Used to launch astronauts into space
- 12. Closest planet to the sun
- 13. Huge group of stars and planets
- 15. Star at the center of our solar system
- 19. Imaginary creature from another planet