Across
- 6. the space matter contains
- 7. travels through space in 1 year
- 9. visible light spectrum, the colors we see
- 10. wave length shoter than visible light
- 12. the transfer of energy
- 13. waves with long wave lenghts
- 14. location of star formation
- 15. milky way galaxy
- 16. an intrument used for better observation
- 17. energy generated by nuclear reactions in its interior
- 18. ____, electric and magnetic waves
- 19. ____, diagram plot of the surface temp.of stars
- 20. bands of dust
Down
- 1. __ a small point that expanded about 13.7 yrs ago
- 2. large grouping of stars in space
- 3. used in astronomy as a standard unit
- 4. __, light how fast light travels
- 5. the change in wavelength
- 8. vast arrangement of electromagneticwaves
- 11. the distance between any 2 corresponding points