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Oct 2007
41m 43s

Lecture 22: Light the Messenger

Richard Pogge
About this episode
What is light? Most astronomical objects are too far away to measure directly. Light is the messenger of the Universe, carrying with it information about objects as near as the Moon and as far away as the most distant objects in the visible Universe. In this lecture we will review the basic properties of light, the electromagnetic spectrum, the inverse s ... Show More
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