Astronaut Ricky Arnold at University of Maryland NASA astronaut Ricky Arnold speaks to students in the Science, Discovery and the Universe Scholars Program about his time onboard the International Space Station, Thursday, May 2, 2019 at the University of Maryland in College Park, Md. During Arnold’s 197 days onboard the International Space Station, as part of Expeditions 55 and 56, he ventured outside the space station on three spacewalks in addition to conducting numerous experiments and educational downlink events.

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Keywords: arnold, astronaut, college, maryland, park, ricky, university