Across
- 4. the shift of an absorption bands
- 5. a big, red star that will collapse
- 7. change in frequency in a wave
- 10. galaxies that aren't spiral or elliptical
- 12. matter matter we can't see but know it's there
- 13. group of many many stars together
- 16. most stars
- 18. star two stars orbiting another
- 19. light can't escape
- 20. stars that are grouped close together
- 22. small galaxy
- 24. two atoms become one atom
- 25. group of stars
- 26. stars barely held together by gravity
- 27. egg shaped galaxy
- 28. hot gas in the sky
- 29. biggest group of stars
Down
- 1. leftover material from a supernova star
- 2. all the galaxies, stars, and gas and dust
- 3. dwarf a collapsed red giant star that is very hot
- 6. thousands of stars held together by gravity
- 8. method to locate stars near Earth
- 9. 71% of the energy in the universe
- 11. part of serial galaxies
- 14. study of the universe
- 15. sprial shaped galaxy
- 17. when a star explodes
- 21. our galaxy
- 23. most widely accepted cosmology explained how the universe is formed