Documents Lecture 11: Light

Lecture 11: Light The Cosmic Messenger Basic Properties of Light light is a form of energy – radiative energy rate of energy output (from Sun, lightbulb, etc.) is measured…

Documents Lecture 13

Lecture 13 Light: the Cosmic Messenger Telescopes and Observational Astronomy The Doppler Effect Finding recession velocity the Doppler shift can be written: v = Dl/l0 c…