Across
- 2. Process of measuring the distance to the star
- 4. the highest part of wave
- 5. waves per second
- 8. how bright it appears
- 9. One full trought and crest
- 10. how far light travels in a year
- 11. Lowest point of wave
- 13. the name of our universe
Down
- 1. the entire spectrum from gamma rays to x rays
- 2. the big bright ball that makes it warm
- 3. how bright wave is
- 6. how far wave is
- 7. the distance from wave to wave
- 12. those bright dots you see in the sky