thumbnail Earthrise on Moon Day
bing search
Earthrise on Moon Day © Image Science and Analysis Laboratory, NASA-Johnson Space Center
Only two dozen people have ever personally witnessed the Earth rising over the lunar surface: the crews of Apollo 8 through 17. Those 24 astronauts are also the only humans to leave low-Earth orbit and see the "dark" side of the moon—and only 12 of them walked on its surface.