
1 Musim
46 Episod
Crash Course Astronomy - Season 1 Episode 3
This week we build on our naked eye observations from last week and take a look at the cyclical phenomena that we can see at work in the universe.
- Tahun: 2015
- Negara:
- Genre: Documentary
- Studio: YouTube
- Kata kunci: astronomy
- Pengarah:
- Pelakon: Phil Plait