The Fast Neutron Spectrometer with a cover removed to show the circuitry inside. Credit: Image courtesy of University of Alabama Huntsville
The Fast Neutron Spectrometer (FNS) is now aboard the International Space Station. Neutrons contribute to crew radiation exposure and must be measured to assess exposure levels. The FNS, developed by NASA’s Marshall Space Flight Center (MSFC) and Johnson Space Center (JSC), uses a new instrument design that can significantly improve the reliability of identifying neutrons in the mixed radiation field found in deep space. The MSFC principle investigator and team lead is Mark Christl. The NASA JSC project manager is Catherine Mcleod and the technical lead is Eddie Semones at NASA JSC.
“Our technique improves upon the well-establish ‘capture-gated’ method...
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