第二次太空竞赛？NASA将加快在月球建核反应堆、替代国际空间站

Group 1 - The U.S. Department of Transportation, led by Sean Duffy, is accelerating plans to build a nuclear reactor on the Moon, marking a significant initiative since Duffy's appointment as NASA's acting administrator [1] - NASA aims to develop a 100-kilowatt nuclear reactor by 2030, which is crucial for human missions to the Moon, following previous funding for a 40-kilowatt reactor [2] - Concerns about international competition, particularly from China and Russia, are influencing NASA's urgency in establishing a lunar nuclear reactor [2] Group 2 - NASA is also expediting the process to replace the International Space Station, aligning with the Trump administration's focus on human spaceflight despite budget cuts in other areas [2] - Several companies, including Axiom Space, Vast, and Blue Origin, are responding to the demand for new space station construction, although there are concerns from lawmakers regarding NASA's funding support for these initiatives [3]