Across
- 3. a large group of stars in space
- 4. ___ Waves- electromagnetic waves with long wavelengths and low frequencies
- 6. ___ Radiation- radiation consisting of electric and magnetic waves
- 9. bands of dust in a galaxy
- 11. the distance between to corresponding points
- 13. provide us with visible light spectrum
- 15. the luminous celestial body around which the earth and other planets revolve
- 16. electromagnetic waves that are between radio waves and infrared waves
Down
- 1. visible light and infrared waves
- 2. ___ Shaped Galaxy- a galaxy with very little symmetry
- 5. a self-luminous celestial body consisting of a mass of gas
- 7. electromagnetic waves with longer wavelengths
- 8. all space and the matter space contains
- 10. ___ of light- how fast light travels
- 12. large cloud of gas and dust in space
- 14. Arms areas of stars that spread from the center of a galaxy