Space — Distance Galaxy Travel

The original realm. Interstellar and intergalactic travel — distances, propulsion, destinations, physics, missions, and speculative technologies.

Pages in This Realm

See index — all pages prefixed with dest-, tech-, concept-, mission-, compare-, overview- from the initial build.

Key Questions Driving This Realm

• Can humans reach another star within a lifetime?
• What’s the most realistic near-term interstellar mission?
• Why haven’t we detected anyone else? (concept-fermi-paradox)
• Is faster-than-light travel physically possible?

Cross-Realm Connections

• Biology: Cryosleep, generation ship social dynamics, radiation effects on humans
• Materials Science: Sail materials, shielding, habitat construction
• Philosophy: Ethics of colonization, Fermi paradox implications, overview effect
• History: Ancient navigation parallels, exploration age parallels