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MARSIS data are available through the Zenodo research data repository at https://doi.org/10.5281/zenodo.1285179.
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Lauro, S.E., Pettinelli, E., Caprarelli, G. et al. Reply to: Explaining bright radar reflections below the south pole of Mars without liquid water. Nat Astron 7, 259–261 (2023). https://doi.org/10.1038/s41550-022-01871-0