SpaceX’s orbital data centers would create a new category of e-waste
摘要
马斯克提出的百万级AI数据中心卫星星座计划，虽在实用性和经济性上存疑，却首次将大量高价值材料送入太空的设想推向台前。该计划规模远超现有星链项目，每年约20万颗卫星因GPU寿命到期需退役，其中4万颗将再入大气层烧毁，材料分散为全球性污染物，铝成分或致臭氧层损耗；其余卫星则被推入更远的废弃轨道。无论何种方式，这些材料均脱离地球物质循环，形成新型太空电子垃圾，引发
Elon Musk’s talk about maintaining a million-strong AI data center satellite megaconstellation may not exactly be practical or economical, but it might be unique. It’s about the closest we’ve come to confronting a scheme that would export a considerable amount of valuable materials into space. Humans aren’t doing a great job of material sustainability, but normally we’re talking about stuff escaping a recycling pipeline rather than escaping Earth’s gravitational pull.
The commercial space sector likes talking about the allure of mining asteroids for precious metals to bring back to Earth. Under what circumstances are we going to be willing to do that in reverse? Starlink alone has doubled the mass of objects in low-Earth orbit, and this orbital data center constellation would dwarf that—and dispose of at least some satellites by pushing them away from Earth.
Given the roughly five-year expected lifetime for data center GPUs, about 200,000 of the 1 million proposed SpaceX AI1 satellites would be decommissioned each year. Based on their May 29 FCC filing, about 40,000 would definitely deorbit and burn up in the atmosphere. (Those materials would largely be dispersed throughout the atmosphere, turning a resource into a diffuse contaminant that slowly settles over the globe. One related issue: the aluminum would cause an unknown amount of ozone depletion over a period of decades.) Some or all of the remaining 160,000 satellites would be moved outward into a distant “disposal” orbit, instead. Either way, they're lost from a "material life cycle" point of view.
转载信息
评论 (0)
暂无评论，来留下第一条评论吧