Light: Crash Course Astronomy #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.
Similar Shows
Poster Image
![Wild Scandinavia: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2024/04/17/261644-oLruEkB-show-poster2x3-nhNo2zt.jpg?itok=0TqhKedz)
Wild Scandinavia
Science and Nature
Poster Image
![The Secret Science of Sewage: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2022/01/03/194275-bKLL5cz-show-poster2x3-769pyDF.jpg?itok=0g5YqpVY)
The Secret Science of Sewage
Science and Nature
Poster Image
![Nature: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2024/06/07/2678-AHPdzGz39tKOQyqVp6WQg.jpg?itok=dd4_HOe3)
Nature
Science and Nature
Poster Image
![Untamed: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2024/08/14/312276-PWSc22G-show-poster2x3-GzG8pTh.jpg?itok=toKuTS9o)
Untamed
Science and Nature
Poster Image
![Make48: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2024/08/15/312732-g8ynyIL-show-poster2x3-GSR8SwB.jpg?itok=tiPwUMie)
Make48
Science and Nature
Poster Image
![The Gene: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2024/08/29/2198-8WlIKwU-show-poster2x3-3VEwLnz.jpg?itok=_a1giNX2)
The Gene
Science and Nature
Poster Image
![ReInventors: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2022/10/05/3371-cIENdtq-show-poster2x3-oVhBEmS.jpg?itok=FIxTW0vq)
ReInventors
Science and Nature
Poster Image
![Greta Thunberg: A Year to Change the World: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2024/04/17/159056-OD4VXPN-show-poster2x3-du25Y11.jpg?itok=1LeaY47Q)
Greta Thunberg: A Year to Change the World
Science and Nature
Poster Image
![Life on the Reef: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2024/07/01/3499-gNcnGcmMjB02RZGa0cZF3g.jpg?itok=JxBc9GEe)
Life on the Reef
Science and Nature
Poster Image
![Beauty on the Wing: Life Story of the Monarch Butterfly: show-poster2x3](/sites/default/files/styles/230x346/public/pbs_media_manager_images/2024/04/17/208311-k7rcnTB-show-poster2x3-K9FPNbF.jpg?itok=GJDqXkEh)
Beauty on the Wing: Life Story of the Monarch Butterfly
Science and Nature
WETA Passport
Stream tens of thousands of hours of your PBS and local favorites with WETA Passport whenever and wherever you want. Catch up on a single episode or binge-watch full seasons before they air on TV.