The next landing site that we heard about was Holden Crater. Holden is a 154 km diameter crater formed early in martian history that happened to fall smack in the path of an extensive fluvial system. There was a long chain of craters connected by water-carved channels  and then the Holden impact occurred and interrupted that flow. It looks like Uzboi vallis, one of the channels, then breached the rim … Continue reading Potential MSL Site: Holden Crater