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.
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Раскрыты подробности о договорных матчах в российском футболе18:01
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作为京津冀机器人产业链的牵头方，河北加速构建“京津研发、河北转化”新模式，加快打造机器人产业。2025年，河北省机器人相关企业达468家，较2024年底新增98家；全产业链营业收入223.2亿元，同比增长42.5％；机器人产量21.9万台（套），同比增长80.8％。