There’s a news story floating around on the net about a new study on soil at the Viking, Pathfinder, and MER landing sites that’s coming out later this month. The study, by UC Berkeley prof Ronald Amundson and his team of terrestrial geologists, suggests that the chemical profiles in the soils at the landing sites may have been the result of precipitation (i.e. water rain). Trench at Meridiani (Unmanned Spaceflight) … Continue reading Does martian soil contain evidence for rain?