Evidence for a cataclysm ~4.0-3.8 Gy ago
Evidence for a cataclysm ~4.0-3.8 Gy ago
Evidence for a cataclysm ~4.0-3.8 Gy ago
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MIGRATION in the SOLAR SYSTEMIn addition, the mass of Mars is anomalouslysmall (~1/10 Earth mass)...This can be explained if the terrestrial planets<strong>for</strong>med from a disk of planetesimals andembryos truncated at 1 AU.Mars would then be an emryo that didn'tmerge with others...