在宇宙飞船出没的靠近地球的空间轨道中，人类三十多年来积累下大约一千九百吨被废弃的物品，主要是过时的卫星和发射器等等。它曾经让宇航员很头疼。要避开这些太空垃圾并不困难，难的是这些垃圾在相互碰撞后，会分裂成为更多更小的永不停止飞行的太空垃圾，占据住轨道空间， In the orbit of space approaching Earth, where spacecraft are haunted, mankind has accumulated about 1,900 tons of abandoned items over the past 30 years, mainly outdated satellites and launchers. It used to be a headache for astronauts. Difficult to avoid these space junk, the difficulty is that the rubbish collide with each other, will be divided into more and smaller never stop flying space junk, occupy the space orbital space,