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Story summary
- NASA's Mars Reconnaissance Orbiter (MRO) data after a Very Large Roll (VLR) suggests the underground lake near Mars' south pole may not exist.
- The radar data showed no strong signals indicating liquid water, and the bright reflections seen earlier may result from smooth dry rock.
- The result challenges the theory of an underground south pole lake.
- MRO will investigate other regions, including the Martian equator, for potential ice deposits.
