So is it all over for moon exploration ? Children 's magazines of 1972 imagined Virgin Galactic bases that were expected to be built . only 11 people have walked on the lunar surface and none since 1972 . NASA says it is focused on sending humans to Mars in 1972 . There have been huge technological leaps and space discoveries in the 1970s .
Children 's magazines of 1972 imagined Virgin Galactic bases that were expected to be built . only 11 people have walked on the lunar surface and none since 1972 . NASA says it is focused on sending humans to Mars in 1972 . There have been huge technological leaps and space discoveries in the 1970s .