Across
- 4. waves provide us with visible light spectrum, the
- 6. low frequencies
- 7. waves electromagnetic waves with a shorter
- 11. than visible light
- 13. center rotational center of a huge galaxy such as
- 15. of star formation
- 16. galaxy a galaxy with a bright center and
- 19. if an object is moving toward us or away from
- 20. of light how fast light travels, 300,000km/sec
- 21. waves electromagnetic waves with long wavelengths
- 23. little dust or gas
- 24. we see
- 26. shift the change in wavelengths that allow us to
Down
- 1. arms areas of stars that spread out from the center
- 2. the bright stars in a galaxy
- 3. a large grouping of stars in space
- 5. that are adjacent on a wave
- 8. milky way galaxy
- 9. waves in relation to their wavelengths
- 10. large cloud of gas in interstellar space; the
- 12. than visible light
- 14. all space and the matter space contains
- 17. waves electromagnetic waves with longer
- 18. the death of a large star by explosion
- 22. lanes bands of dust that appear as dark ribbons
- 25. a spiral galaxy