Taurus-Littrow is a narrow valley on the eastern rim of the Serenitatis impact basin. Samples of the massifs on the north and south sides of the valley would provide access to highland crustal rocks and observations by Apollo 15 astronaut Al Worden were interpreted as indicating the possible presence of young volcanic cinder cones in the center ... More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.