Across
- 2. the explosion of a large star
- 4. a large grouping of stars in space
- 5. all space and matter space contains
- 9. ____ waves-shorter wavelength than visible light
- 11. a mass of gases/one is in are galaxy
- 12. unit to compare the size of other stars with our sun
- 13. electromagnetic waves that are between radio wave and infrared waves
- 16. distance between any two corresponding points that are adjacent on a wave
Down
- 1. the star in are galaxy that is in the center
- 2. stars that spread out from the center of a spiral galaxy
- 3. very high energy no mass or charge
- 6. provides us with visible light spectrum
- 7. ____-shaped galaxy/bright center with little dust
- 8. electromagnetic waves very high energy used in medical and astronomical applications
- 10. ____ radiation-radiation consisting of electric and magnetic waves
- 14. bands of dust that appears as dark ribbons
- 15. change in wavelength that allows us to see if a object in moving toward us or away