Getting the Lead out: New Look at Apollo 17 Moon Sample Reveals Graphite Delivered by a Lunar Impactor

Humans have not set foot on the moon since December 14, 1972, when astronauts Eugene Cernan and Harrison Schmitt of the Apollo 17 mission departed the lunar surface to return home. Thankfully, Cernan and Schmitt, a trained geologist, collected 110 kilograms of lunar material--the largest-ever haul of moon rocks and soil--before heading for Earth. [More] Earth - Moon - Apollo 17 - Eugene Cernan - Space

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