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2015年11月23日,美国蓝色起源公司“新谢泼德”火箭垂直发射升空,飞到距离地面100.5千米的高空,历史性地实现了火箭推进段的精确垂直软着陆,这是人类历史上第一个越过卡门线并垂直着陆成功的航天器,是人类垂直起降火箭发展史上的重要里程碑。新谢泼德的诞生太空探索技术公司“猎鹰”9号火箭可重复使用的尝试曾屡战屡败,很多人据此认为可重复使用尤其是垂
On November 23, 2015, the blue launch company “Shepard of New Sheep,” a U.S. rocket launched vertically and flew up to a height of 100.5 kilometers above the ground and historically achieved a precise vertical soft landing of the rocket propulsion section. This is the first spacecraft in human history that crossed the Carmen Line and landed perpendicularly. It is an important milestone in the history of the human vertical launch and landing rocket. The birth of new Shephard Space Exploration Technologies Inc. Falcon 9 rocket reusable attempt has been defeated, many people think that reusable, especially the vertical