The Tianwen 1 orbiter and Zhurong rover have been hard at work.
that CNSA has announced that the orbiter and rover have sent back 1,480 gigabytes of raw data — some of which supports the hypothesis that an ancient ocean once existed in the Utopia Planitia, the vast Martian plain that Zhurong is exploring.
Scientists analyzing the data have discovered the existence of hydrated minerals in the"duricrust," a hard mineral layer atop soil that typically forms due to the evaporation of groundwater. The scientists claim that this finding proves there has been"substantial liquid water activity" in the region at some point over the last billion years.
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