The other day in Mars journal club, we took a look at a paper about the “fan” in Eberswalde crater. You may recognize this name: it is one of the four finalist landing sites for MSL. The site was chosen because at the western end of the crater, there is a feature that most Mars scientists consider to be a delta, formed when sediment transported by rivers  encountered standing water … Continue reading Is Eberswalde Really a Smoking Gun?