Light

1. Long-wave electromagnetic radiation used in communications.
5. Line perpendicular to a plane.
6. c/v is the ______ of refraction.
7. Differential refraction of electromagnetic waves on the basis of their frequency.
9. One of the so-called seven deadly sins; wanting what you don't have.
16. Visible light is a small part of the entire _______ spectrum.
19. Mirrorlike reflection
22. "A long time ____ in a galaxy far, far away."
24. An "illusion" resulting from gradual refraction in the atmosphere due to a temperature gradient.
26. Devised calculus, mechanics, optics, and universal gravitation.
29. The m in y=mx+b.
31. Johannes _______, author of Harmony of the Spheres.
32. Their love was like the tides, with a constant ____ and flow.
33. Short for the SI unit of electric current.

2. Electromagnetic radiation with waves just longer than those of visible light.
3. Reflection from paper, for example.
4. Atmospheric optical phenomenon resulting from dispersion.
8. Happens whenever a wave encounters a change in medium.
10. Generic term for electromagnetic radiation, especially in the visible spectrum.
11. The nature of a material that doesn't impede the passage of light.
12. Red, orange, yellow, green, blue, and violet comprise the visible ________ of light.
13. A beam of light incident from a denser to a lighter medium at an angle greater than the critical undergoes total _______ reflection.
14. Exposure to this form of electromagnetic radiation leads to melanoma.
15. Red light has a greater _______ than blue light.
17. Very high-energy electromagnetic rays.
18. The nature of a material that does not allow light to pass through.
20. Red, blue, orange, and green, for example
21. Transparent object, often disc-shaped designed to bed light, often to a focal point.
23. Morning condensation, especially on grass.
25. Italian electricity scientist Alessandro ______.
27. When looking into deep space, we are looking back in _____.
28. Sodium
30. A material through which waves travel.