A NASA Astronaut Stays In Orbit With SpaceX And Boeing
Sunita Williams was the second female commander of the International Space Station. Now, she says her new job working with private companies to develop space technologies feels like a new frontier.
Đọc thêm tại NPR
at March 26, 2018 at 09:00AM
Health & Science
Thứ Hai, 26 tháng 3, 2018
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