The Complete Cosmos

Season 1, Episode 4: Earth

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The evolution of the earth and of life, its internal structure, continental drift, day length, seasons, oceans, climate, weather and El Nino.

All Episodes - Season 1

The Sun
Episode 1
The Sun
 Mercury
Episode 2
Mercury
 Venus
Episode 3
Venus
 Earth
Episode 4
Earth
 Moon (aka Luna)
Episode 5
Moon (aka Luna)
 Mars
Episode 6
Mars
 Jupiter
Episode 7
Jupiter
 Saturn
Episode 8
Saturn
 Uranus and Neptune
Episode 9
Uranus and Neptune
 Realm of the Comets
Episode 10
Realm of the Comets
 Earth Patrol
Episode 11
Earth Patrol
 Space Frontier
Episode 12
Space Frontier
 High Life
Episode 13
High Life
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