xGalactica.com

The Final Destination — Mars.

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NEXT TRANSFER WINDOW

01 NOV 2026

The next Hohmann window opens November 2026. Miss it, wait twenty-six months.

DAYS

HRS

MIN

SEC

Mars in orbit

THE NAME

X. xAI. SpaceX. Grokipedia. Then Galactica.

xGalactica.com is the public face of Encyclopedia Galactica.

X is the app. xAI is the mind. SpaceX is the vehicle. Grokipedia becomes Encyclopedia Galactica when it deserves the name.

The name of the library that leaves Earth — on the public internet, on the hull, and in the city the machines raise first.

  1. XThe everything app.
  2. xAIThe mind.
  3. SpaceXThe vehicle.
  4. GrokipediaBecomes Encyclopedia Galactica.
  5. xGalactica.comThe public face of that library.
A humanoid robot carrying an archive crate into a Mars habitat

ENCYCLOPEDIA GALACTICA

Encyclopedia Galactica

When Grokipedia is good enough, it earns the name.

An open-source distillation of all knowledge — text, audio, images, video. The sci-fi Library of Alexandria.

Copies distributed through the solar system, so if civilization perishes or slips into barbarism, Alexandria does not burn twice.

We take the lesson of the Library of Alexandria to heart.

Humanoid robots assembling solar arrays on Mars

THE MACHINES

Optimus goes first. People follow.

Not soldiers. Builders. The only way a city exists before lungs can.

Uncrewed cargo first. Then Optimus. Solar, ice, power, habitat. Settlers arrive to a place that already works.

The encyclopedia rides with them. If Earth goes dark, the machines still know who we were.

A humanoid robot raising a habitat dome on Mars

INFRASTRUCTURE

Power first. Then fuel. Then a dome. Then a library.

A self-sustaining city is not a speech. It is solar, ice, air, and copies of all knowledge — placed before anyone steps off the ramp.

THE SEQUENCE

Uncrewed. Machines. City. Archive.

  1. 01

    Uncrewed

    Cargo before crew. The next window is the first shot.

  2. 02

    Machines

    Optimus on the dust. Solar, ice, power, air.

  3. 03

    City

    Self-sustaining. A million people. A backup of consciousness.

  4. 04

    Archive

    Encyclopedia Galactica. Copies that survive if Earth does not.

Mars colony — solar arrays, habitat lights, dust at dusk

THE CITY

A self-sustaining city. A million people.

Robots first. Then farms, power, industry. Then children. Then the archive, etched and redundant.

Not a flag and a footprint. A second home for the species — and a name that can sit on the first dome.

A spacecraft on a long voyage through deep space toward Mars

THE MARK

X. Then Galactica.

One lockup. The hull, the archive, the city.

X Galactica spacecraft flying toward Mars

MARS

Mars

Not the nearest destination. The right one. Gravity, resources, a sky — a planet you can stand on, build on, and keep a backup of consciousness if Earth goes dark.

225M

km average

Earth to Mars

6–9

months in transit

One window. No turnaround.

26

months between windows

Next: November 2026

1

domain

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