Фото: Stringer / Reuters
Что думаешь? Оцени!。电影是该领域的重要参考
If we would think of the invisible walls in Bobs world as actual walls, say by a street lamp, we would get the following picture:，详情可参考PDF资料
Scientists warn that the debris is congesting space and threatens collision with rockets, the International Space Station, and our planet.