Across
- 3. what a star is before it becomes a star
- 5. how bright a star appears
- 8. how bright a star is
- 9. what happens after a super nova, but isn't the most dense
- 12. dark, cool spots that appear on the surface of the sun
- 13. the distance from the earth to the sun
- 17. the force that keeps us grounded and holds stars together
- 19. A brief eruption of intense high-energy radiation
Down
- 1. what happens from a nebula to the main sequence
- 2. what happens to a big star after the main sequence
- 4. the theory of how the universe was created
- 5. how bright a star actually is
- 6. the outmost layer of the sun that looks like the rays that would be drawn
- 7. a flow of charged particles from the sun
- 10. how to tell when a galaxy moves
- 11. what happens to a star after it is a nova
- 14. what happens to an average sized star after the main sequence
- 15. what happens after a star is a red giant
- 16. the distance light travels in a year
- 18. the most dense object in the universe that sucks up what's around it