5 Things We Still Don't Know About the Solar System
- Episode aired Nov 6, 2016
![Hank Green, Caitlin Hofmeister, and Michael Aranda in SciShow (2012)](https://m.media-amazon.com/images/M/MV5BNTFjOGQ4NzYtYjc0Mi00ZjBjLWE5YjQtYzJhMWE5OGEyN2EyXkEyXkFqcGdeQXVyMzM1NTgwODQ@._V1_QL75_UX190_CR0,2,190,281_.jpg)
We've already learned a lot about the solar system, but sometimes the most fascinating things are what we DON'T know.We've already learned a lot about the solar system, but sometimes the most fascinating things are what we DON'T know.We've already learned a lot about the solar system, but sometimes the most fascinating things are what we DON'T know.