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3 days agoI’ve recently listened to a podcast with the german astronaut Matthias Maurer where he discusses this question - What exactly makes you an astronaut?
He stated that there are several definitions, mostly based around altitude but if you want the European Space Agency to call you an astronaut you also have to fly around the earth in space at least once. So by ESA definition, Katy Perry would not be an astronaut.
Good.