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軌道エレベーターというか
月〜地球静止軌道上の輸送経路っぽい？
>「既存の技術や材料で宇宙エレベーターに近い設備の建設が可能」と研究者が主張
https://gigazine.net/news/20190918-astrophysicists-say-spaceline-concept-possible/
