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