Across
- 2. puffy sky sight
- 5. the milky way is one
- 7. earth warmer
- 10. wind-borne toy
- 11. jet
- 12. natural electric discharge
- 15. showery day arch
- 16. sunset location
- 17. earth orbiter
- 18. Sirius, for one
- 19. nocturnal mammal
- 20. It's a _____, it's a plane, it's superman
- 21. Halley's ______
Down
- 1. aurora borealis; northern _________
- 2. aries or orion
- 3. big or little constellation
- 4. ringed planet
- 6. rocky space object
- 8. goodyear floater
- 9. the red planet
- 11. venus or earth
- 13. aircraft that hovers
- 14. NASA projectile
- 20. dark spot in space