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Whitepaper #221 submitted to the Planetary Science and Astrobiology Decadal Survey 2023-2032. Topics: surface/geological evolution; Mars
Mars oldest terrains hold the answers to key science questions, yet remain largely unexplored. In situ exploration by mid-air deployed rotorcrafts can uniquely answer these questions in the near future due to their unique ability to access the ancient southern highlands and perform in situ analyses at regional-scale, at breakthrough costs.