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The change of plan also comes as Artemis 2 has faced multiple delays in recent months. The Space Launch System (SLS) heavy-lift rocket has, once again, proven to be temperamental. NASA had planned to launch Artemis 2 in early February, but pushed the flight back after it caught a hydrogen leak during a fueling test. More recently, NASA delayed the mission to give its engineers time to fix a helium pressurization issue in the upper stage of the SLS. At the earliest, the mission can now get underway on April 1.。业内人士推荐51吃瓜作为进阶阅读
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没有什么固定公式；有人在黎明时分状态最佳，有人则在夜深人静时灵感最盛。