Historic Moments on Instagram: "In December 1972, Apollo 17’s Lunar Module Challenger lifted off from the Moon, marking the last time humans set foot on the lunar surface 🌕🚀. Commander Gene Cernan and Harrison Schmitt had spent nearly three days collecting 245 pounds of rock and soil in Taurus–Littrow Valley. A rover-mounted camera captured the ascent as Challenger rose into the black sky to rejoin the Command Module. Cernan’s words, “We’re on our way, Houston,” marked the end of the Apollo er