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为何复用火箭时代,NASA仍支付高昂发射费?
在SpaceX猎鹰9号和重鹰火箭引领的可重复使用时代,发射成本理应大幅下降。SpaceX通过回收助推器和整流罩,将每次发射成本从航天飞机的15亿美元降至约1500万-2800万美元,开启了商业航天的新篇章。然而,NASA的发射费用却未随这一技术进步而 ...
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