Scientist-Astronaut Harrison ‘Jack’ Schmitt standing next to a lunar boulder, 13 December 1972 Published on March 10, 2017 at 6932 × 3982 in A piece of the ‘goodwill rock’ « Previous Next » Schmitt is photographed standing next to a huge, split lunar boulder during the third Apollo 17 extravehicular activity (EVA) on 13 December 1972 at the Taurus-Littrow landing site. Photograph by astronaut Eugene Cernan. NASA