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Geological evidence for multiple climate transitions on Early Mars
Kite, Edwin S.; Conway, Susan
Landforms and deposits observed on the Martian surface suggest that Mars' early climate supported rivers and lakes over a time span of more than a billion years. But, like Earth, which has over the past billion years experienced periods of global glaciations and hyperthermals, the climate history of Early Mars may have been intermittent. Here we s…
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…