Mostly. This is because, theoretically, we could still save the ISS and move it into higher orbit. NASA has calculated that propelling the station more than 640 kilometers above Earth would keep it alive for 100 years—and also require at least 18.9 metric tons of propellant. That’s roughly 2,000 airline carry-ons. A thousand years would require at least 36 metric tons. If that doesn’t seem like very much, consider the fact that, right now, no vehicle can transport that amount of gas to the station. The still-in-development SpaceX megarocket Starship might be able to haul a significant percentage, but it would struggle to dock with the station, according to the space agency’s estimations.
不少劇迷在新年期間湧入直播,將「諧音梗」、時事與劇情相結合加入激烈的留言討論。
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记者今天(28日)了解到, 市场监管总局(国家标准委)批准发布《人体生物监测质量保证规范》国家标准。该标准由国家疾病预防控制局组织起草,自3月1日起正式实施。
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