Because teachers can be in the astronauts and they learned about astronauts and they went to the astronauts team.
Seven men were selected to be astronauts, only six actually went into space.
He always wanted to be a pilot, so he joint up and was selected as a pilot in the U.S. Navy, and took action in the Korean War. When N.A,S.A wanted astronauts he applied and was selected as one, in the second batch of astronauts.
Astronauts began training on the first day they were selected as astronauts. Aldrin was selected with the 3rd group of astronauts in October, 1963. Actual mission specific training took about 2 years for each flight.
because they had the skills required
Judith Resnik
neil armstrong
Three astronauts
The first selected Cosmonauts for the Soviet union were:Yuri GagarinValery BykovskyAndrian NikolayevPavel PopovichGherman TitovGrigori NelyubovThe first class of American Astronauts were the Mercury astronauts:Alan ShepherdGordon CooperScott CarpenterJohn GlennDeke SlaytonGus GrisomWally Schirra
i think astronauts
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N.a.S.A selected the three of the Apollo astronauts for the moon mission.