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.
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干事创业，政绩观至关重要。连日来，代表委员们坚持把学习领会习近平总书记在全国两会期间的重要讲话精神，同学习领会习近平总书记关于树立和践行正确政绩观的重要论述结合起来，同学习领会习近平总书记地方工作期间坚持正确政绩观生动实践结合起来，不断增强为人民出政绩、以实干出政绩的政治自觉、思想自觉和行动自觉。本报记者采访多位代表委员，请他们谈体会、话担当。
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Nature, Published online: 25 February 2026; doi:10.1038/d41586-026-00040-x。新闻对此有专业解读
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