Tranquility City: How We Built the First Moon Colony | 4k Documentary

How would humanity actually build a self-sustaining moon colony?

This 4k documentary explores that very question, presenting a complete future history from 2030 to 2200. Told from the perspective of a citizen born on the Moon, this is the story of Tranquility City: the incredible 170-year journey of how we transformed a barren rock into humanity's first off-world home.

From the first robotic pioneers to the birth of a sprawling city-state powered by artificial intelligence, witness the technologies, the challenges, and the political accords that turned science fiction into history.

🚀 In this video, you will discover:

The tense "Shackleton Claim Race" between international coalitions for the Moon's most valuable resources.

How an autonomous robotic workforce ('Operation Hephaestus') did the dangerous construction work, 3D-printing habitats from lunar dust.

The solution to the 350-hour lunar night: a compact nuclear fission reactor called Project 'Prometheus'.

How mining for water ice created the solar system's first orbital gas station, kickstarting a true lunar economy.

The birth of 'Selene', the Artificial General Intelligence that became the colony's nervous system, optimizing every aspect of life.

How colonists moved into vast lava tubes to shelter from radiation and built virtual windows to maintain a connection to the outside.


The design and construction of the Centauri Ring, a kilometer-wide spinning habitat that created artificial 1g gravity, allowing for the first healthy children to be born on the Moon.

The signing of the Tranquility Accords, which established the Moon's self-governance as the common heritage of humankind.

🕒 TIMESTAMPS / CHAPTERS:
0:00 - A Message from the Year 2200
2:04 - Chapter 1: Prospectors of Eternal Light (2030-2039)
4:55 - Chapter 2: Machines in the Dust (2040-2049)
8:07 - Chapter 3: The Water Rush (2050-2059)
10:07 - Chapter 4: The Awakening of Selene (2060-2069)
13:43 - Chapter 5: The Long Garden (2070-2089)
15:53 - Chapter 6: The Centauri Ring (2090-2120)
18:03 - Chapter 7: The Lunar Forge (2120-2160)
19:48 - Chapter 8: A New Economy of Stars (2170s)
20:46 - Chapter 9: The Tranquility Accords (2148)
23:00 - Chapter 10: The Ordinary Miracles (2160-2200)
24:52 - Epilogue: Home

What do you think is the biggest challenge humanity will face in becoming a multi-planetary species? Let us know in the comments!

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