Across
- 3. electromagnetic waves that are between radio waves and infrared waves in the electromagnetic spectrum
- 5. a large grouping of stars in space
- 6. areas of stars that spread out from the center of a spiral galaxy
- 7. the center of of a galaxy
- 9. the distance between any two corresponding points that are on a wave
- 10. how fast light travel
- 13. all of space and the things in it
- 14. an object with gravity so strong not even light can escape
Down
- 1. the death of a star by explosion
- 2. electromagnetic waves with longer wavelengths than visible light
- 4. vast arrangement waves in relation to their wavelengths
- 6. the star that Earth and other planets revolve around
- 8. energy moving though matter or space as electromagnetic waves
- 11. provide us with visible light spectrum, the colors we see.
- 12. The location of a star forming