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.
Rebecca Morelle,Science Editorand
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At least 15 people have been killed and others injured after a Bolivian air force cargo plane crashed in the western city of El Alto, the country's authorities say.，这一点在搜狗输入法下载中也有详细论述
开局之年“第一课”，习近平总书记阐明新征程上树立和践行正确政绩观的深远考量：“‘十五五’开局之年，无论是制定规划还是部署实施，都需要有正确的政绩观。省市县乡领导班子将陆续换届，强调政绩观也很有针对性。”