美“登月火箭”就位，离发射还有多远？美媒：尚存很多变数

Core Viewpoint - The "Artemis 2" mission, featuring the Orion spacecraft and Space Launch System (SLS) rocket, has successfully arrived at the launch pad after a lengthy transport process, but the actual launch date remains uncertain due to required testing procedures [1][3][4] Group 1: Transport and Arrival - The Orion spacecraft and SLS rocket combination, standing approximately 98 meters tall and weighing around 1500 tons, was transported to the launch pad using the "Crawler-Transporter 2," which weighs 3000 tons and can carry over 8000 tons [3][4] - The transport process took nearly 12 hours, with the vehicle moving at a speed of about 1 mile per hour, and included a challenging ascent up an inclined slope to reach the launch pad [3][4] Group 2: Testing and Launch Preparations - NASA will conduct rigorous checks and a series of tests on the spacecraft and rocket once they are positioned at the launch pad, including a critical "wet dress rehearsal" where over 700,000 gallons of cryogenic propellants will be loaded [4] - The launch window for "Artemis 2" will open approximately every four weeks, with the earliest potential launch date being February 6, when a crew of three American astronauts and one Canadian astronaut will embark on a 10-day lunar mission [4]