At a news briefing on Friday, NASA administrator Jared Isaacman described a vast overhaul to the moon-to-Mars program. The changes scrap the Artemis III lunar landing and instead make it a flight in low-Earth orbit for a crew to practice meeting up with either the SpaceX or Blue Origin-built lunar landers — or, perhaps, both.
伟大梦想的实现是一场永不停歇的接力跑，既需要自身本领高强，也需要时时加油补给，更需要大家勠力同心。从一个个温暖片段里读懂深沉期盼、汲取奋斗力量、校准前进航线，我们一定能齐心共进，抵达梦想彼岸。
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