Here is NASA's plan for nuking Gateway and sending it to Mars
摘要
美国国家航空航天局（NASA）宣布将暂停月球轨道空间站“门户”的建设，转而专注于月球表面基地。对于已投入约45亿美元建造的硬件设施，尤其是接近发射状态的核心动力与推进模块，NASA计划调整其用途，将其用于深空核电力推进技术演示任务。
NASA's announcement Tuesday that it will "pause" work on a lunar space station and focus on building a surface base on the Moon was no big surprise to anyone paying attention to the Trump administration's space policy.
But what should NASA do with hardware already built for the Gateway outpost? NASA spent close to $4.5 billion on developing a human-tended complex in orbit around the Moon since the Gateway program's official start in 2019. There are pieces of the station undergoing construction and testing in factories scattered around the world.
The centerpiece of Gateway, called the Power and Propulsion Element, is closest to being ready for launch. NASA's rejigged exploration roadmap, revealed Tuesday in an all-day event at NASA headquarters in Washington, calls for repurposing the core module for a nuclear-electric propulsion demonstration in deep space.
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