Insoo Jun

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About

Dr. Insoo Jun is a leading figure in space radiation physics, whose work is critical to the safety of future deep-space exploration. His primary research focuses on characterizing the hazardous radiation environments of the inner solar system, particularly from solar energetic particles (SEPs) and the complex radiation fields at planetary surfaces like Mars. Dr. Jun’s major contributions include the statistical modeling of extreme solar proton events, as detailed in his highly cited 2010 paper on the distribution of extreme solar energetic proton fluxes (10 citations), which provides essential risk assessments for mission design. He is also a key contributor to the analysis of data from the Mars Science Laboratory (MSL) and Mars Odyssey missions. His 2023 work on unfolding the neutron flux spectrum on the Martian surface (8 citations) is a landmark study, combining data from the MSL-RAD and Odyssey-HEND instruments to directly measure the secondary radiation created by galactic cosmic rays interacting with the Martian regolith. This achievement is vital for calculating astronaut exposure and for understanding the surface radiation environment for future crewed missions to the Red Planet.