瑟琳娜·奥斯丁女孩们谈论空间站的生活
NASA astronaut Serena Auñón-Chancellor speaks about her experience on Expeditions 56 and 57 onboard the International Space Station to the students of the Excel Academy Public Charter School, Monday, June 10, 2019 in Washington, DC. Before a rapt audience at the all-girls school, Dr. Auñón-Chancellor talked about the 197 days she spent living and working onb...