1 Temporada
46 Episodio
Crash Course Astronomy - Season 1 Episode 3 Episodio 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.
- Año : 2015
- País :
- Género : Documentary
- Estudio : YouTube
- Palabra clave : astronomy
- Director :
- Emitir : Phil Plait
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