Helium is used to pressurize tanks and help push fuel into the engines. Without proper helium flow, the rocket cannot safely fly. Because the upper stage is hard to reach at the launchpad, NASA rolled the stacked rocket back into the Vehicle Assembly Building, the sky-scraping hangar where it was originally put together.
圖像加註文字，伊朗最高領導層以及防務官員結構圖伊斯蘭共和國與什葉派伊斯蘭教深受殉道思想的影響。週日，在官方連續幾小時堅稱最高領袖「安然無恙」後，國營電視台的主播以哭泣語調宣布哈梅內伊「飲下了殉道的純潔甘露」。，更多细节参见91视频
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Угрозу применения ядерного оружия в конфликте вокруг Ирана оценили14:57
AMD is introducing its first Ryzen AI desktop processors, though the specs aren't much to get excited about.。一键获取谷歌浏览器下载对此有专业解读
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