Abandoned Space Colonies - How Worlds Can Unterraform Themselves

Colonies won’t always last forever—sometimes planets revert, habitats decay, and entire worlds are left in ruins. Join us as we examine the life cycle of abandoned space settlements.

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Credits:
Abandoned Space Colonies - How Worlds Can Unterraform Themselves
Written, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images
Music Courtesy of Aerium, Stellardrone, Chris Zabriskie, and Epidemic Sound http://epidemicsound.com/creator

Chapters
0:00 Intro
4:13 Why Colonies Fail
9:31 Ecological Collapse in Non-Earth Environments
12:39 Case Study – Kaluga-4, Oxygen Depletion
14:34 Unterraforming – How a World Reverts or Mutates
16:45 Abandonment Timelines
19:08 Case Study – Proxima B
22:00 Nebula
Restoration & Resettlement
23:43 Case Study – Valhalla
25:22 System-Level Context
29:05 Long-Term Patterns in a Galactic Civilization