Tags Al Globus Tom Marotta The High Frontier: An Easier Way, centrifuge spin rate space settlement NASA Commercial space commercial space stations Earth's magnetic field radiation shielding O'Neill space colony space station rotation and freefall to Earth SpaceX Elon Musk Blue Origin space food space agriculture ISS space transportation rockets eLEO timeline space tourists space communications systems Space Solar Power space farming space policy NASA and space settlement Space hotels NACA model for NASA Falcon Heavy Dragon Capsule Space Force Outer Space Treaty biosphere 1 and 2 experiments closed life support system space station life support eLEO station Earth independence rocket alternatives for space transportation space markets eLEO condominium model BFR Guest Al Globus Tagline Al and Tom's new book re their LEO orbital station in a special low to free radiation belt View the discussion thread.