astronaut

space walk science astronaut space - 7534038528
Via NASA
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During the Gemini 4 mission on June 3, 1965, Ed White became the first American to conduct a spacewalk. The spacewalk started at 3:45 p.m. EDT on the third orbit when White opened the hatch and used the hand-held manuevering oxygen-jet gun to push himself out of the capsule.
science mae jemison astronaut - 7795461632
By Unknown
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On Sept. 12, 1992, Mae Jemison became the first African American woman in space when the space shuttle Endeavour carried her and six other astronauts on 126 orbits around the Earth. A mission specialist, Jemison was a co-investigator of two bone cell research experiments, one of 43 investigations that were done on mission STS-47.