1 Season
46 Episode
Crash Course Astronomy - Season 1 Episode 24 Light
In order to understand how we study the universe, we need to talk a little bit about light. Light is a form of energy. Its wavelength tells us its energy and color. Spectroscopy allows us to analyze those colors and determine an object’s temperature, density, spin, motion, and chemical composition.
- Year : 2015
- Country :
- Genre : Documentary
- Studio : YouTube
- Keyword : astronomy
- Director :
- Cast : Phil Plait
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