ebook,U.S. Government, National Aeronautics and Space Administration (NASA), World Spaceflight News (WSN),NASA Space Technology Report: Magnet Architectures and Active Radiation Shielding Study (MAARS) Final Report for NASA Innovative Advanced Concepts - Protecting Humans from Space Radiation,Progressive Management,SCIENCE / Space Science,TECHNOLOGY & ENGINEERING / Aeronautics & Astronautics" />