美航天局因极寒天气推迟载人绕月飞行任务

Core Viewpoint - NASA has announced a delay in the critical rehearsal for the Artemis II manned lunar mission due to extreme cold weather, with the mission's implementation now scheduled for no earlier than February 8 [1][2]. Group 1: Mission Details - The Artemis II mission will involve a crew of four astronauts: Reid Wiseman, Victor Glover, Christina Koch from NASA, and Jeremy Hansen from the Canadian Space Agency [2]. - The mission will utilize the Orion spacecraft and the Space Launch System (SLS) rocket, both of which are set for their first crewed missions [1][2]. - The planned rehearsal for propellant loading, which simulates the complete launch process excluding ignition, was originally scheduled for the end of January but has been postponed to February 2 [1]. Group 2: Weather Impact - The extreme cold weather in Florida, accompanied by strong winds, has raised concerns about the performance of the hardware involved in the mission [1]. - NASA's engineering team has been closely monitoring local weather conditions and has made adjustments to the rehearsal and mission timeline based on weather forecasts and equipment status [1]. Group 3: Future Plans - Following the completion of the Artemis II mission, NASA plans to advance the Artemis III manned lunar landing mission [2].