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麥肯齊談起他的工作時,正值令人驚嘆的南極夏日,溫暖的攝氏零下15度。他窗外是一片無邊無際的白色,被同樣廣闊的純藍天空所覆蓋。,更多细节参见快连下载-Letsvpn下载
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She knew the eyes of the world were on her when her first mission launched in 1995.
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.