Tracy's Rock

Astronaut Harrison Schmitt working next to Tracy's Rock in the Taurus–Littrow valley on the Apollo 17 mission in 1972. The South massif is visible to the right.

Tracy's Rock, known as Split Rock or the Station 6 Boulder in the scientific literature, is a large boulder on the Moon which was visited by the Apollo 17 crew on December 13, 1972 at their Taurus-Littrow landing site. "Tracy's Rock" is its popular name.