Space Habitats

A road map on building colonies (self supporting habitats) in outer space. You can contact me, or leave comments, by email at


Space Habitats Revisited
First Step: Cost Effective Launch
Alternatives to Rockets: Space Elevators, Launch Loops, Startram
Alternatives to Rockets: Skyhooks
Moon and Planets: Not Suitable for Settlement?
Gerard O’Neill’s Big Idea
Protecting Habitats from Cosmic Radiation
Meteorites – And Security
Small scale ecosystems
Getting Around in Space
How much does it cost?
Assumptions on cost calculations
Costs per head are acceptable, at high density
Getting Started: A Starter Habitat
What would motivate the development of space colonies?
Space based solar power
Space tourism
National Prestige – and Military Strategy
A Critical Path