Nuclear weapons testing is harmful — there’s no case for a restart

· · 来源:dev资讯

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.

Маргарита Щигарева

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The Pokémo

「每隻狗狗的健康狀況、性格及抗壓能力都不同,而動物照顧者是否具備足夠知識與管理能力,才是保障動物福祉的關鍵。」