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Evidence for transient morning water frost deposits on the Tharsis volcanoes of Mars

Vandaele, A. C.; Daerden, F.; Ristic, B. +27 more

The present-day water cycle on Mars has implications for habitability and future human exploration. Water ice clouds and water vapour have been detected above the Tharsis volcanic province, suggesting the active exchange of water between regolith and atmosphere. Here we report observational evidence for extensive transient morning frost deposits o…