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About

Matthias Dieckmann is a leading space radiation physicist whose work is critical to enabling safe, long-duration human spaceflight. His primary research focuses on characterizing the deep-space radiation environment and quantifying its biological risks to astronauts. Dieckmann’s most notable contribution is his pivotal role in the Artemis I mission, where he led the first comprehensive measurements of space radiation beyond low Earth orbit in decades. His 2024 study on this topic, which has already garnered 30 citations, provided the first real-time data on galactic cosmic ray and solar particle event exposure for a crew-capable vehicle traveling to the Moon. This work directly informs NASA’s risk models for cancer, cataracts, and degenerative diseases, shaping spacecraft shielding design and mission duration limits. Beyond Artemis, Dieckmann has advanced our understanding of trapped particle belts and acute radiation exposure thresholds. His research is foundational for future Mars missions, where cumulative radiation doses will be a primary constraint. With his work cited by space agencies and biomedical researchers alike, Dieckmann stands at the intersection of astrophysics and human health, making deep-space exploration a tangible reality.