import std:web/console;
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.，推荐阅读下载安装 谷歌浏览器 开启极速安全的 上网之旅。获取更多信息
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纯净且极其轻量 —— 纯 Python 开发，零依赖安装，只要有 Python 环境就能跑
Nasa's Space Shuttles, which flew for three decades, reached breathtaking highs, but also some terrible lows.，这一点在51吃瓜中也有详细论述