美国太空总署(NASA)宣布,第一架火星无人直升机机智号(Ingenuity)周一圆满完成首飞,成功起飞并降落在火星上。
机智号直升机的首飞意义不亚于莱特兄弟首次在地球上试飞人造飞行器,将为人类探索宇宙的方式带来新“利器”。
此次飞行是一次真正的挑战,因为火星上的空气非常稀薄—密度不到地球大气压力的百分之一。这就意味着,为了飞行,火星直升机旋翼桨叶的旋转速度,必须比在地球上的直升机要快得多。
机智号直升机搭载毅力号火星车于今年2月成功降落在火星表面。按照美国太空总署计划,火星车将监控直升机的飞行过程,并将拍到的图片和数据传回地球。
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