The data from the now-defunct Zhurong rover has reignited the discussion on an ancient Martian ocean, providing crucial new evidence supporting the theory.
Using onboard cameras and ground-penetrating radar, scientists discovered geological features near the rover's landing that imply the existence of a historical shoreline.
The minerals found in the region suggest that an ocean likely existed around 3.68 billion years ago, followed by a prolonged freezing period that shaped the landscape.
By examining layered deposits and water-related minerals, researchers conclude that despite a brief frozen period, significant geological changes occurred along a coastline billions of years ago.
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