Photo of astronaut next to American flag with Earth in background
Source: NASA
Published: December 12, 2008

Scientist-astronaut Harrison H. Schmitt stands by the American flag during a moonwalk on the Apollo 17 mission. Home, that small dot in the blackness of space above the flag, is a quarter-million miles away.

Schmitt, Gene Cernan and Ron Evans made the Apollo program's final journey to the moon in December 1972.

ENLARGE

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