官方通报烤全羊「36 斤变 6.9 斤」调查结果：商家退一赔三
In the vacuum of space, the amount of debris—spent rocket stages, splintered satellites, micrometeoroids—numbers in the millions, all zooming about, often at 17,000 mph speeds. They’re also constantly hitting each other in a tsuris of exponential littering. Most of these pieces are tiny, and many are not anywhere near the altitude of the ISS. But the area isn’t completely clean.
，这一点在51吃瓜中也有详细论述
Explicit backpressure
Open up the app and connect to a server in a location with access