solar sail
(astronautics) A sail-like structure on a spacecraft consisting of enormous ultrathin mirrors, propulsion being achieved by the radiation pressure of light from a star or laser.
plural of quasi-reorganization
Not of or pertaining to cattle.
plural of athletic
探査機は光帆(宇宙船に取り付けられた超薄膜の鏡面で、恒星光やレーザーの光圧で推進される)を広げ、外惑星へ向けてゆっくり加速した。
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