Copernicus, Brahe, Galileo
The apparent orbit of stars around the earth
Wavelengths of light (TED talk)
Electromagnetic spectrum (TED talk)
Class video
Video on Lowell Observatory
Dark matter
Dark energy
Class instagram
Short class videos
https://youtu.be/lmUfls_eQH0 https://youtu.be/Jyqai4LJEwc https://youtu.be/03P4IjRu14s https://youtu.be/4u8TZFA0TZ0
Don Lincoln video on inflation
PBS video on inflation
Class video on expanding universe
Photon gas (optional)