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The student project “FORAminifera Rocket EXperiment” (FORAREX) was developed and conducted within the student educational programme REXUS/BEXUS. Focus of this investigation was the cellular response of foraminifera to microgravity and the exceptional physical stress during rocket launch, e.g., vibration and acceleration. Further the launch impact on the shell building capacity of foraminifera was examined. For cultivating purposes, a life-support-system with a flow cell as observation chamber was built. Monitoring vitality and calcification was conducted with sensors measuring pH, oxygen and temperature of the sea water. FORAREX launched in March 2019 on the sounding rocket REXUS 25 on a nominal flight. This paper has been submitted in a similar version elsewhere. Keywords— Foraminifera, microgravity, cell physiology and motility, Gravitational Biology, life-support system, sounding rocket, REXUS/ BEXUS programme, International Space Station

Studying Cell Physiology and Motility under Microgravitational Influence - Results of the FORAREX Mission on REXUS 25