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Crash Course Astronomy - Season 1 Episode 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.
- Umwaka: 2015
- Igihugu:
- Ubwoko: Documentary
- Sitidiyo: YouTube
- Ijambo ryibanze: astronomy
- Umuyobozi:
- Abakinnyi: Phil Plait