茫茫太空,“群星”璀璨。除人们熟悉的气象卫星、侦察卫星、通信卫星外,还有预警卫星和导航卫星等,它们巡天遥看,各司其职,对现代战争和未来军事发展产生着重要影响。21世纪的人造地球卫星将向越来越小的方向发展;为争夺太空制高点,航天飞机的发展也趋向小型化。纳米级的小型卫 The vast space, “stars” bright. In addition to familiar meteorological satellites, reconnaissance satellites and communications satellites, there are also early-warning satellites and navigation satellites. They are on a close inspection and play their respective roles, which have an important impact on the modern war and future military development. In the 21st century, man-made earth satellites will develop in smaller and smaller directions. In order to compete for space control high ground, the development of space shuttles will also tend to be miniaturized. Nano-sized small guard