Strip the Cosmos

The solar system and its planets seem like a familiar place. Yet scientists now think they've detected something huge lurking in the far reaches of the system we call home. Could it be that a missing, giant ninth planet orbits our sun in the dark reaches of space?

Bölüm: S02E06
Bölüm Adı: Solar System: Hunt for the Missing Planet
Yayınlanma Tarihi: 24.07.2015