‘The High Frontier’ Still Inspiring People To Think Big

Over 4700 Copies Of 1976 Gerard K. O’Neill Book ‘The High Frontier’ Downloaded During 4-Day Free Promotion Indicating Large-Scale Human Space Settlement Is Still Of Interest To Many; Authoritative Book Details Exciting / Attainable Benefits Of Developing Cislunar Space: Space-Based Solar Power, Mass Drivers For Putting Lunar Resources To Good Use, Large Space & Lunar Habitats

Image Credit: SSI