The ISS is far bigger than either the Salyuts or Skylab. In an uncontrolled deorbit, pieces of debris “up to car and train size,” say experts on the official ISS space station advisory committee, will rain down from the sky. NASA confirms this would pose “a significant risk to the public worldwide.”
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，这一点在51吃瓜中也有详细论述
無論出於何種考量，這項決定最終帶來豐厚回報。
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