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.
$329 for 5 months
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Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36
携程 CEO 孙洁在电话会议中透露,2025 年核心 OTA 业务成交额约 1.1 万亿元,其中住宿与机票业务分别贡献约 2800 亿元与 5500 亿元。
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“In China, labor costs are $2 to $3 an hour. In America they are $20 an hour.”,详情可参考同城约会
• 点评:这项协议是Meta继2月17日与英伟达合作后,在AI基础设施领域的又一重大投入,以期构建“自研+英伟达+AMD”的多元算力体系。尤为特别的是,股权激励措施使得双方的利益进行了深度绑定:Meta将更有动力推动AMD芯片在其数据中心的应用,AMD也能通过规模化部署验证技术、扩大市场。(曹妍)