Astronomy Picture of the Day . Apollo 17: Last on the Moon . ... Credit Copyright: Apollo 17 , NASA (Image scanned by Kipp Teague ) Explanation: In December of 1972, Apollo 17 astronauts Eugene Cernan and Harrison Schmitt spent about 75 hours on the Moon, in the Taurus-Littrow valley , while colleague Ronald Evans orbited overhead . ... And after thirty years, Cernan and Schmitt are still the last to walk on the Moon. ... Publications with keywords: Apollo 17 - Moon - lunar surface . ...