When looks up to the nighttime sky, the people mostly will acclaim the month bright star thin beautiful scene, actually certainly little thought that that piece of ink during blue near ground-to-air will be unexpectedly crisis-ridden in our top of the head. In fact, for many years, various countries' astronautics expert already more than once issued the warning, in nearly the track crowds day after day in the situation, will have the spacecraft to collide mutually, to have the massive dangerous space trash event unavoidably. This worry becomes the reality - - Beijing standard time now on February 11 0:55 59 seconds, the American Iridium Star Company “the iridium 33” the satellite and Russia already discards “the universe 2251” the tacsatcom on the approximately 790 kilometer high nearly track to bump into the Siberia sky, the hit produces the massive fragments scatter to the outer space.
