Microbiology experiment on Skylab, 1973
Microbiology experiment on Skylab, 1973. Cultured bacteria grown as part of a student experiment on the US space station Skylab, which was in orbit from 1973 to 1979. The top two photographs show samples of Bacillus subtilis grown aboard Skylab during the first part of the experiment. The bottom two photographs show colonies of the same bacteria that were cultured during the second part of the experiment. The experiment (Skylab Student Experiment ED-31) was proposed by Robert L. Staehle of Rochester, New York, USA, to determine the effect of spaceflight (particularly weightlessness) on the survival, growth rates, and mutations of certain bacteria and spores.
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