Gezeravci, Turkey’s first astronaut, studies ISS Oxygen Saturation. Turkish Space Agency, Nisantasi Univ. use AI for low gravity research. Mission highlights Turkey’s global space commitment. In a historic stride for Turkey’s space exploration endeavors, Alper Gezeravci, the nation’s first astronaut, is spearheading a pioneering Oxygen Saturation experiment aboard the International Space Station (ISS). The Turkish Space Agency announced today that