4 astronauts walked on the moon in 1969. They were Neil Armstrong, Edwin "Buzz" Aldrin, Charles Conrad and Alan Bean.
A total of 12 astronauts landed, and walked on the moon.
So far a total of 12 astronauts have walked on the moon.
So far 12 astronauts have walked on the moon, all were Americans.
Only Americans walked on the Moon.
A total of 12 astronauts walked on the moon.
There were a total of 12 astronauts who walked on the moon.
Two astronauts walked on the moon on each moon mission.
A total of 12 astronauts landed, and walked on the moon.
All the astronauts used by N.A.s.A have walked on the surface of the earth.
12 astronauts from 6 successful moon landing missions have walked on the moon's surface.
So far 12 astronauts have walked on the moon, all were Americans.
So far a total of 12 astronauts have walked on the moon.
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Only Americans walked on the Moon.
A total of 12 astronauts walked on the moon.
A total of 12 astronauts walked on the moon , two in each mission.
During the Apollo mission a total of 12 astronauts walked on the moon. On each trip to the moon 2 astronauts walked on the moon.