What if we found a true second Earth nearby? A living world, a barren paradise, or something too familiar to be natural could change science, politics, and humanity’s future forever.

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Credits:

What If We Found a Second Earth Nearby?

Written, Produced & Narrated by: Isaac Arthur

Music Courtesy of Stellardrone & Chris Zabriskie

Select imagery/video supplied by Getty Images

Chapters

0:00 Intro

1:26 What Counts as a “Second Earth”?

4:34 The Hidden Twin

6:24 The Real Discovery: A Nearby Earth

8:42 If It Has Life

9:17 Alien Life, But Compatible

11:15 Familiar Life - Too Familiar

13:26 Gods & Monsters

14:36 If It’s Barren - but Ready

18:00 The Rush: Who Gets a Whole World?

20:49 The Economics of a Second Earth

23:30 How Do You Divide a Planet?

26:27 The Long View: A Second Earth Changes Everything

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