美“龙”飞船载4名宇航员启程返回地球

Core Points - The SpaceX "Dragon" spacecraft, carrying four astronauts, departed from the International Space Station (ISS) on October 8, 2023, at 18:15 EDT, and is expected to land in the California coast area on October 9, 2023, at 11:33 EDT [1] - The astronauts onboard include American astronauts Anne McClain, Nicole Aunapu Mann, Japanese astronaut Koichi Wakata, and Russian astronaut Kirill Peskov [1] - During their over five-month stay at the ISS, the astronauts conducted numerous experiments and technology demonstrations, including the cultivation of microalgae in microgravity, research on cellular gravity perception mechanisms, and astronaut health monitoring, contributing valuable data and experience for future deep space exploration [1] Summary by Categories Mission Details - The "Dragon" spacecraft's departure and expected landing times are specified, highlighting the mission's timeline [1] - The spacecraft is returning to Earth after a significant duration at the ISS, indicating the importance of the mission [1] Astronauts Involved - The crew consists of four astronauts from different countries, showcasing international collaboration in space exploration [1] Research and Experiments - The astronauts engaged in various scientific experiments during their stay, which are crucial for advancing knowledge in space biology and health [1] - Specific experiments mentioned include microalgae cultivation and studies on gravity perception, emphasizing the mission's scientific contributions [1]