GEO 303 Lecture Notes - Lecture 25: Extremophile, Psychrophile, Solar Wind
21 Dec 2017
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Lecture 25: mars" surface less-cratered lowlands is one of the most pronounced features on mars. The martian dichotomy b/w the rugged, heavily-cratered highlands & the smoother, Some believe that the northern basin formed from a giant impact. Others believe that early tectonic processes linked to mantle convection could have. At this time, much of the northern hemisphere may even have been covered by a. Around the time of the formation of the hellas basin, mars seems to have grown generated it over 3. 7 billion years ago (the shallow sea colder & the atm thinner. Attest to massive flash floods & a colder, drier mars. Further evidences suggests that mars had standing bodies of water, such as lakes. Cracked ground, similar to dry lake beds on earth, have been found in several low-lying. Today, much of mars" water is stored as ice at the poles or below the surface.
