大跳票 NASA将登月计划推迟到2028年

Core Viewpoint - NASA has announced a significant delay in its lunar mission schedule, pushing the Artemis 4 mission to 2028 and changing the Artemis 3 mission from a lunar landing attempt to a test flight [1] Group 1: Mission Adjustments - The Artemis 3 mission, originally planned for a lunar landing in 2027, will now focus on a test flight due to safety concerns highlighted in a recent report by NASA's Aerospace Safety Advisory Panel (ASAP) [1] - NASA aims to increase the frequency of its missions, planning to conduct a second test flight in 2027 and striving for at least one lunar landing each year thereafter, including the Artemis 4 mission [1] Group 2: Safety Concerns - The ASAP report raised serious safety risks associated with the previously established plans for future missions, particularly emphasizing concerns regarding the Artemis 3 mission [1] - The report indicated that the Artemis 3 mission involves multiple first-time objectives within a single flight, leading to excessive cumulative risks in technology, operations, and scheduling [1] Group 3: Upcoming Missions - NASA is set to implement the Artemis 2 mission this year, which will involve a lunar flyby, with its launch now scheduled for no earlier than April due to recent testing issues [1] - If successful, Artemis 2 will mark the first human visit to lunar orbit since the Apollo 17 mission in 1972 [1]