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NOVA (1974 – ...)

1974 • 53 seasons • Documentary • TV-PG
On September 22, 2026
#4338186
4338th by Pulse TV show online
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Season 50

NOVA · S50E11Ancient Earth: Birth of the Sky

Oct 4, 2023 · 54 min

Synopsis

A fragile layer of gas now embraces Earth, a tenuous atmosphere shielding a world of verdant landscapes, sapphire oceans, and teeming life. Yet, 4.5 billion years ago, our planet was starkly different: a fiery realm of molten lava and desolate rock, constantly assailed by meteors, and devoid of any atmosphere. How then did the familiar blue sky emerge? Stunningly realistic animations, accompanied by insights from leading scientists, illustrate how the primordial inferno first spawned an orange-t

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