NASA / SCIENCE PHOTO LIBRARY NASA / SCIENCE PHOTO LIBRARY
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Fish research experiment for Skylab, 1973. Researcher John Boyd holding a bag with two brackish water minnows known as 'Mummichog Minnows'. These were taken into space on the US space station Skylab, which was in orbit from 1973 to 1979. They flew on Skylab 3 (28 July to 25 September 1973), the second manned mission to Skylab. The experiment was monitored by US astronaut and scientist Owen K. Garriott. Fish eggs were also included. The experiment was intended to determine the effect of spaceflight (particularly weightlessness) on the fish, as many fish have vestibular apparatus similar to humans. More minnows are in the background. Photographed on 29 June 1973.
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