All the astronauts used by N.A.s.A have walked on the surface of the earth.
There were a total of 12 astronauts who set foot on the moon.
The question is not clear, there were three astronauts at a time in a Apollo mission , and there were 11 Apollo missions.
3 astronauts on Apollo 13 one of them did not go up but he went up on Apollo 14.
There were a total of 12 astronauts who walked on the moon.
As each Apollo spacecraft had three astronauts at a time and seven Apollo crafts flew to the moon, there were a total of 21 astronauts.
12
Apollo astronauts conducted and deployed many scientific experiments prepared by scientists on earth. For those with an interest in the results, see the related link below. Many soil and rock samples were taken and returned to earth for analysis.
The Apollo capsule took three astronaut's.
how many G's of force did Apollo astronauts experience during liftoff
All the three astronauts of Apollo 11 were qualified pilots.
3
A total of 12 astronauts landed, and walked on the moon.