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46 Episodio
Crash Course Astronomy - Season 1 Episode 9 Episodio 9
In today's Crash Course Astronomy, Phil takes a look at the explosive history of our cosmic backyard. We explore how we went from a giant ball of gas to the system of planets and other celestial objects we have today.
- Año : 2015
- País :
- Género : Documentary
- Estudio : YouTube
- Palabra clave : astronomy
- Director :
- Emitir : Phil Plait
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