Across
- 2. suggested that hydrogen atoms in the sun fused or combined to form helium atoms
- 3. only moon in solar system with substantial atmosphere
- 4. type of visible star is coolest
- 5. magellanic cloud is a
- 8. natural disasters happen on moon
- 9. the sun
- 10. Horsehead nebula is
- 11. brightest star in southern constellation of carina
- 13. pulsar is actually a
- 14. a black hole of mass of earth would be of size of a
- 15. Device that does not work on moon
- 17. Saturn's moon has distinctive equatorial ridge
- 19. class name that andromeda galaxy belongs to
- 21. largest volcano
- 22. two bright spots of light on opposite sides of a halo
- 24. the dragon
- 26. great red spot located at
- 27. cool areas on the surface of earth
Down
- 1. star closest to sun
- 6. galaxy home to solar system
- 7. unit measurement used to describe the expansion of universe
- 12. rotation axis to most celestial bodies is
- 16. astronomical event that made headlines in 1986
- 18. only moon with active volcanoes
- 20. asteroid type of heavenly body
- 22. first rover to explore mars
- 23. the hunter
- 25. bright star in constellation Ursa major