Before Sławosz Uznański-Wiśniewski flew out in the Falcon 9 rocket, he had to undergo a detailed annual training. As he revealed in an interview with "Election" Luca Annicello, who is responsible at the European Space Agency for preparing astronauts for their mission, Uznański-Wiśniewski had to learn to perform daily activities in space. "Astronauts learn how to use the toilet, how to prepare food" He confessed. However, that's not all.
