3:13 Ingenuity also needed to be incredibly light. the entire body including the solar panel, batteres, computers, rotor blades and landing gear had to (3 words) 1,800 grams or less than 4 lbs. 火星ヘリコプター「インジェニュイティ」は超軽量である必要があり、、、、を含む総重量を1.8キロに抑える必要があった。
Watch the Ingenuity helicopter's first flight on Mars
