在经过八年的运行后，国际空间站即将退役。为了给这个航天器一个安息之地，美国 NASA 计划投入 10 亿美元打造一个特殊的太空拖船，让它坠入地球的墓地。
这个太空拖船被命名为“死亡飞船”，它将有能力把国际空间站坠入地球的指定区域。这项计划的关键部分是太空拖船的动力系统，这需要 NASA 和合作伙伴们共同研发。
虽然目前还没有具体的坠落时间和地点，但 NASA 表示，太空垃圾对太空环境的影响已经到了令人担忧的程度。因此，打造一个专门的太空拖船来处理这些垃圾是势在必行的。
新闻翻译：
NASA plans to invest $10 billion in a special space barge to transport the International Space Station, which will retire after eight years, into Earth’s designated graveyard. The space barge, which will be called the \”Death Ship,\” will be capable of taking the ISS down to the designated area. The key part of the plan is the propulsion system, which will require joint research by NASA and partners.
Although there is currently no specific time and location for the 坠落，NASA said that the accumulation of space debris has had a serious impact on the space environment. Therefore, it is necessary to develop a special space barge to handle this waste.
【来源】国际空间站8年后退役，NASA：将投10亿美元打造太空拖船让其坠入地球墓地
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