Across
- 1. first variable that affects force of gravity
- 4. earth is the center of the solar system
- 7. solar system formed from
- 9. best measurement for our solar system
- 12. hottest star on the chart
- 13. rocky dense planets
- 15. life cycle of a star depends on
- 17. variable that affects force of gravity
- 18. name of our galaxy
- 19. life cycle of a star depends on
Down
- 2. appears on surface of sun when active
- 3. gas planets
- 5. sun is the center of the solar system
- 6. center of the solar system
- 8. age of solar system in billions
- 10. best measurement for a galaxy
- 11. sun will eventually become
- 14. most luminous star on the the chart
- 16. white star