热点问答｜美国能在2028年前重返月球吗

Core Viewpoint - The U.S. aims to return to the Moon by 2028 through the Artemis program, but significant challenges and delays raise doubts about this timeline [1][2]. Group 1: Political and Administrative Concerns - The appointment of Jared Isaacman, a private astronaut with no prior federal experience, as NASA Administrator has raised concerns about potential conflicts of interest, particularly due to his close ties with Elon Musk [1][2]. - The Artemis program requires substantial political support and funding, which is uncertain in the current polarized political climate, as evidenced by a record 43-day government shutdown this year [2]. - The budget for NASA has drastically decreased from over 4% of federal spending during the Apollo program to only 0.2% today, indicating a lack of broad national consensus and long-term political backing for complex space missions [2]. Group 2: Project Progress and Technical Challenges - The Artemis program is significantly behind schedule, with at least 8 out of 13 critical tasks lagging behind the planned timeline due to technical design issues and reliance on multiple contractors [3]. - Key components such as the Orion spacecraft and the Space Launch System are facing delays and cost overruns, which have been criticized [3]. - NASA has indicated plans to reopen contracts for the Artemis 3 lunar lander due to delays from SpaceX, suggesting that the mission may be postponed by several years [3].