A Quick Introduction to LIGHT
Light: What IS it?
It's made up of oscillating electric and magnetic fields.
This is why we refer to it as electromagnetic radiation
It's really an amazing thing!
Travels without any medium
Travels very fast (``c'' = 300,000 km/s)
Moon to earth in ONE SECOND!
Earth to Sun ?
Outer Solar System ?
Comes in a variety of Flavors:
- Gamma-Rays
- X-Rays
- Ultra-violet
- Optical
- Infrared
- Radio