近太空是指介于飞机的飞行空间和航天器轨道空间之间的区域，一般指距地面20~100公里的空间，包括大部分平流层，全部中间层和部分电离层。
引爆近太空炸弹的想法是由Lawrence Berkeley国家实验室的物理学家Nicholas Christofilos提出的。
This idea of detonating bombs in near-space was proposed in 1957 by Nicholas Christofilos, a physicist at Lawrence Berkeley National Laboratory.
它离我们如此之近，以至于太空科学家都把它看作是我们的邻居。
It is so close that space scientists have considered it as a next-door neighbor.
上图是哈勃太空望远镜拍摄的近红外光图像。
The above image was taken in near-infrared light by the Hubble Space Telescope.
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