Across
- 4. lanes bands of dust
- 6. all space and the matter space contains
- 8. shift the change in wave length
- 9. between radio waves and infrared
- 10. of light 300,000km/sec
- 12. waves provide us with light
- 13. spectrum electromagnetic waves
- 15. large grouping of stars
- 17. large cloud of gas
- 18. data info from experiments
Down
- 1. electromagnetic waves
- 2. length distance between any two corresponding
- 3. year light travels through space 1 year
- 5. arms area of stars spread out from the center
- 7. radiation radiation consisting of electric
- 8. the transfer of energy through matter of space
- 11. hole an object with more than four solar masses
- 14. center rotational center of a huge galaxy
- 16. the death of a large star explosion