SciShow Space
Could There Be Planets Beyond Neptune? (2015x32)
Yayınlanma tarihi: Nis 21, 2015
Did you grow up thinking there were nine planets in the solar system? You might have been right all along! Today we discuss the possibility of distant worlds in our solar system.
- Prömiyeri: Nis 2014
- Bölümler: 878
- Takipçiler: 1
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