Journal
SCIENCE ADVANCES
Volume 6, Issue 39, Pages -Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.aaz1334
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Funding
- Beijing Municipal Science and Technology Commission [Z181100002918003]
- NSFC [41941001]
- Key Research Program of the Chinese Academy of Sciences [XDPB11, XDB41000000]
- German Space Agency, DLR, and its Space Administration [50 JR 1604]
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Human exploration of the Moon is associated with substantial risks to astronauts from space radiation. On the surface of the Moon, this consists of the chronic exposure to galactic cosmic rays and sporadic solar particle events. The interaction of this radiation field with the lunar soil leads to a third component that consists of neutral particles, i.e., neutrons and gamma radiation. The Lunar Lander Neutrons and Dosimetry experiment aboard China's Chang'E 4 lander has made the first ever measurements of the radiation exposure to both charged and neutral particles on the lunar surface. We measured an average total absorbed dose rate in silicon of 13.2 +/- 1.Gy/hour and a neutral particle dose rate of 3.1 +/- 0.5.Gy/hour.
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