There is a plan to prevent such a strike—the Space Surveillance Network, a bevy of sensors that the military uses to track space debris. NASA monitors what’s unofficially known as the “pizza box,” a sort of no-fly zone around the ISS. When pieces of debris are predicted to enter the box—if there’s at least a 1 in 100,000 chance of collision—mission controllers order avoidance maneuvers, firing thrusters that move the ISS and dodge the trash. The technique has been used dozens of times since the first ISS module launched in 1998. But the system only tracks about 45,000 larger pieces, and all sensors have noise. Plus, risk thresholds can miss stuff, sometimes badly. In 2025, Chinese astronauts were briefly stranded at their station after debris hit their return vehicle.
Credit: Pok Pok
// 弹出栈中「温度≤当前值」的索引（这些天无法成为当前天的「下一个高温」）。关于这个话题，雷电模拟器官方版本下载提供了深入分析
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"For a long time, roboticists have used DC [direct current] motors to make robots move," says Mike Tolley at the University of California San Diego.
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