美国宇航员返回地球，却发现「变天」了

Core Viewpoint - The article discusses the return of NASA astronauts Sunita Williams and Butch Wilmore after a nine-month unexpected stay in space, highlighting the political implications and changes within NASA under the Trump administration [3][4][8]. Group 1: Astronauts' Return - NASA astronauts Sunita Williams and Butch Wilmore returned to Earth on March 18, after being stranded in space for nine months due to technical issues with their spacecraft [3][4]. - The astronauts were initially scheduled for an eight-day mission but faced delays caused by a malfunction in Boeing's Starliner spacecraft [10][19]. - Upon their return, there was significant public interest and political commentary surrounding their situation, with various narratives emerging about the reasons for their extended stay [4][5][15]. Group 2: Political Context - The article notes that the Trump administration has made significant changes to NASA, including the dismantling of diversity and inclusion initiatives and the reduction of budgets for various scientific projects [8][41]. - The political narrative surrounding the astronauts' return has been influenced by Trump's comments, positioning himself as a savior figure while downplaying the role of the Biden administration in the mission planning [4][18][39]. - The article suggests that the political maneuvering surrounding the astronauts' return reflects broader issues within NASA and the space exploration industry, particularly regarding funding and direction [41][44]. Group 3: NASA's Future - The article highlights concerns about NASA's future, including the impact of political changes on its scientific integrity and operational capabilities [41][43]. - There is a growing trend towards commercialization within NASA, with SpaceX emerging as a key player in future space missions, potentially at the expense of traditional NASA projects [39][40]. - The restructuring of NASA under the current administration raises questions about its ability to attract and retain talent, as well as its commitment to scientific exploration for the benefit of all humanity [43][44].