Core Viewpoint - NASA is conducting a critical two-day countdown simulation for its new lunar rocket, which will determine when four astronauts can embark on a mission to orbit the Moon, marking the first human lunar flight since 1972 [1] Group 1: Mission Preparation - The countdown simulation involves preparing for fuel loading of the Space Launch System (SLS) rocket, which stands 322 feet (98 meters) tall [1] - The astronauts, led by Commander Reid Wiseman, are currently in isolation and will monitor the rehearsal from the Houston base before traveling to the Kennedy Space Center for the launch [1] Group 2: Fuel Loading and Launch Timeline - Over 700,000 gallons of super-cooled fuel will be injected into the rocket's fuel tank, with the loading stopping 30 seconds before engine ignition [1] - A recent cold weather event delayed the fuel loading demonstration and launch by two days, with February 8 being the earliest possible launch date [1]
美国开始载人绕月飞行前关键测试
Xin Lang Cai Jing·2026-02-01 02:48