Across
- 2. top of a wave
- 5. first to use a telescope
- 7. wave with magnetic and electric field
- 11. rise and depression in a wave
- 12. technique to avoid to avoid atmospheric distortion
- 13. bottom of a wave
- 14. rapid burst of radio waves
- 15. developed the reflecting telescope
Down
- 1. light consists of _____ fields
- 3. how fast a wave oscillates
- 4. people who journey into space
- 6. field ‘static electricity’
- 8. lines wear colors meet
- 9. color sequence makes up the visible ______.
- 10. 186,000, speed of