In December of 1972, Apollo 17 [
http://antwrp.gsfc.
] astronauts Eugene Cernan and Harrison Schmitt spent about 75 hours [
http://www.hq.nasa.
] on the Moon, in the Taurus-Littrow valley [
http://cass.jsc.nas
expmoon/Apollo17/A17 _lsite.html ], while colleague Ronald Evans orbited overhead [
http://antwrp.gsfc.
]. Near the beginning of their third and final excursion [
http://www.hq.nasa.
] across the lunar surface [
http://www.hq.nasa.
], Schmitt took this picture of Cernan flanked by an American flag and their lunar rover's [
http://antwrp.gsfc.
] umbrella-shaped high-gain antenna. The prominent [
http://www.hq.nasa.
a17.fam-mtn.html ] Sculptured Hills lie in the background while Schmitt's reflection can just be made out in Cernan's helmet. The Apollo 17 crew [
http://www.ari.net/
home.html ] returned with 110 kilograms of rock and soil samples, more than from any of the other lunar landing sites [
http://www.boulder.
landing_sites.html ]. And after thirty years, Cernan and Schmitt are still the last to walk [
http://www.alanbean
] on the Moon.
Explanation
In December of 1972, Apollo 17 [
http://antwrp.gsfc.
] astronauts Eugene Cernan and Harrison Schmitt spent about 75 hours [
http://www.hq.nasa.
] on the Moon, in the Taurus-Littrow valley [
http://cass.jsc.nas
expmoon/Apollo17/A17 _lsite.html ], while colleague Ronald Evans orbited overhead [
http://antwrp.gsfc.
]. Near the beginning of their third and final excursion [
http://www.hq.nasa.
] across the lunar surface [
http://www.hq.nasa.
], Schmitt took this picture of Cernan flanked by an American flag and their lunar rover's [
http://antwrp.gsfc.
] umbrella-shaped high-gain antenna. The prominent [
http://www.hq.nasa.
a17.fam-mtn.html ] Sculptured Hills lie in the background while Schmitt's reflection can just be made out in Cernan's helmet. The Apollo 17 crew [
http://www.ari.net/
home.html ] returned with 110 kilograms of rock and soil samples, more than from any of the other lunar landing sites [
http://www.boulder.
landing_sites.html ]. And after thirty years, Cernan and Schmitt are still the last to walk [
http://www.alanbean
] on the Moon.
Explanation