Seven men were selected to be astronauts, only six actually went into space.
The first astronauts were called the Mercury 7 because they were the first group of astronauts selected for Project Mercury, the United States' first manned spaceflight program. The "7" refers to the seven original astronauts chosen by NASA.
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The Mercury astronauts were Alan B. Shepherd, Donald K. Slayton, Virgil .I. Grissom, Walter Schirra, John Glenn. Malcolm Scott Carpenter .
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7 astronaut did
The space capsules used in Project Mercury were named Freedom 7, Liberty Bell 7, Friendship 7, Sigma 7, Faith 7, and Aurora 7. These capsules carried astronaut pioneers such as Alan Shepard, John Glenn, and Scott Carpenter on their historic missions.
Walter M. "Wally" Schirra and L. Gordon "Gordo" Cooper
7 astrounets u see they were picked for this part they were very lucky guys
The Mercury missions lasted from 1958 to 1963. Mercury-Atlas 7 was a Mercury program space mission. It launched on May 24, 1962. The Mercury 7 were the initial astronauts chosen for the Mercury missions. Scott Carpenter (who was the astronaut on Mercury-Atlas 7), L. Gordon Cooper, Jr., John H. Glenn, Jr., Virgil I. "Gus" Grissom, Walter M. Schirra, Jr., Alan B. Shepard, Jr., and Donald K. "Deke" Slayton.
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there were about 7 missions to mercury