NASAのインスタグラム(nasa) - 10月4日 02時53分
Our techies are always testing new and cutting-edge ideas in extreme environments both here on Earth and in space. For example, techies working on our Deep Space Engine project are looking to create a spacecraft propulsion system that is high-performance, lightweight, compact and low-cost.
Credit: NASA
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Jeremy Veachさんがフォロー