Space Layer
Population Living Outside Milky

Population Living Outside The Milky Way Exceeds One Billion moves civilization beyond the Milky Way into neighboring galaxies, artificial star systems, intergalactic trade, and sustainable stellar engineering.

Population Living Outside The Milky Way Exceeds One Billion becomes a defining milestone of galactic coexistence, placing humanity within a broader cosmic community of biological, artificial, planetary, and alien intelligence.

Timeframe
361920 - 428386
Layer
Space Layer
Impact
cosmic
Maturity
galactic demonstration

Signals

  • Large populations live away from planetary surfaces
  • Artificial worlds and star-system engineering become feasible
  • Exploration crosses galactic and intergalactic boundaries

Implications

  • Humanity is no longer tied to any single star system
  • Space itself becomes a normal habitat of civilization
  • Cosmic-scale settlement changes identity and governance
Population Living Outside The Milky Way Exceeds One Billion