NOVA
Wednesday, October 4 at 9pm on MPT - Birth of the Sky
Early Earth was a hellscape of molten lava and barren rock, bombarded by meteors, with no atmosphere at all. How did our familiar blue sky - the thin, life-giving band of gasses protecting our planet - come to be?
NOVA
Ancient Earth: Birth of the Sky Preview
See how Earth transformed from a barren hellscape to a planet capable of sustaining life.