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.
當記者問起「二二八」的意義時，大學生陳彥蓉坦言：「我之前想得很簡單，覺得這就是段歷史，是個可以放假的日子而已。」
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Parameter cliff at ~800: Sharp accuracy transition observed by multiple researchers