Across
- 3. the north star
- 4. Chained to a rock to be devoured by a whale
- 8. One of the closest galaxies to ours is ____ Dwarf galaxy
- 11. brightness of a star
- 13. a star system containing millions to billions of stars
- 14. believed in sun-centered universe
- 16. created Law of universal gravitation
- 17. ____ Way
- 18. the lion
- 19. hottest region of the sun's atmosphere
- 21. _____ star system that circle around each other
Down
- 1. created three laws of planetary motion
- 2. darker spots or blotches on the sun
- 3. suns visible surface
- 5. the dragon
- 6. explosion of a star
- 7. the force that resists
- 9. ____ Major = the great bear
- 10. an area containing no air or other matter
- 12. the study of the stars & heavenly bodies
- 14. The stars outlining an imaginary picture
- 15. believed in earth-centered universe
- 20. large clouds of gas and dust floating in space