SciShow Space
Earth's Underwater Topography & The Recent Space Walk (2014x55)
Date de diffusion: Oct 09, 2014
We just mapped out 80% of our earth and gave the ISS a tuneup! Hank Green explains what is going on in this episode of SciShow Space News!
- Première: Avr 2014
- Épisodes: 878
- Abonnés: 1