1 Sezono
46 Epizodo
Crash Course Astronomy - Season 1 Episode 24 Epizodo 24
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.
- Jaro: 2015
- Lando:
- Ĝenro: Documentary
- Studio: YouTube
- Ŝlosilvorto: astronomy
- Direktoro:
- Rolantaro: Phil Plait