NASA astronaut Jeff Williams over Tuesday and Wednesday was set to install key sensors around the Bigelow Expandable Activity Module (BEAM) to measure real-time radiation, impact detection and temperature.NASA said Tuesday the hatch to BEAM was opened once again for the second day of outfitting the expandable module to determine its habitability and durability. BEAM will be attached to the International Space Station (ISS) for the next two years. ISS crew is predicted to enter BEAM between 12 and 14…