Salı, 22:01 
Earth
Snowball
This episode tells the story of the astonishing moment in Earth's distant past, when almost the entire planet froze - a glistening 'Snowball Earth' in the dark void of space.
Snowball
This episode tells the story of the astonishing moment in Earth's distant past, when almost the entire planet froze - a glistening 'Snowball Earth' in the dark void of space.