NASA’s Zhurong rover has discovered mysterious polygons beneath the Martian surface. The polygons appear to be composed of basaltic rocks, and are thought to be evidence of an ancient lava flow. Scientists believe that these polygons were formed as the lava cooled, with cracks forming along the boundaries of the polygons. The discovery of these polygons has opened up a new window into Mars’ geological history and could provide new insight into its evolution. This is an exciting development in the exploration of Mars, and may help us to further understand its history and potential for life.

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source: Phys.org