嫦娥六号如此返回,这意味着什么? |
Fact
这次“嫦娥六号”返回器以“打水漂”的方式两次再入大气层,明显具备了“桑格尔”弹道的特征,此前“嫦娥五号”也是采用了类似的飞行轨道,也就是说,“嫦娥”系列返回器很可能是全球公开的首批“桑格尔弹道”成功案例;值得注意的是,“嫦娥”系列返回器的气动布局设计是以减速为目的,而且最终成功降落在预定地点,可以说精确度非常高。
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