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Drawing on data from the Tianwen-1 Mars exploration mission, as well as insights garnered from the Zhurong rover and the Viking 2 lander, a research team from the Institute of Geology and Geophysics at the Chinese Academy of Sciences has pioneered the creation of UPRS-1, the first soil simulant tailored specifically for Utopia Planitia on Mars. This innovative simulant mirrors real Martian soil remarkably in both mineral composition and engineering mechanics properties, thereby serving as a cornerstone for technical support and ground testing in anticipation of future Mars sampling missions. Leveraging scientific payload data, the team refined the simulant and established a robust methodology for assessing the similarity of Martian soil simulants. These groundbreaking findings have been published in the esteemed journal Icarus.
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