以下文章来源于字母榜 ，作者苗正 字母榜 . 让未来不止于大 一 那……什么是星链手机呢？ 要理解卫星手机这回事，得先搞清楚我们现在的手机是怎么工作的。你的手机其实就是个小型无线电 台，它通过电磁波跟附近的基站聊天。基站收到你的信号后，再通过光纤或者微波链路把信息传到电 信公司的交换中心，最后送到对方手机那里。整个过程看起来挺顺畅，但有个致命问题： 基站的覆 盖范围有限，大概只有几公里到几十公里。 这就是为什么你在深山老林里经常没信号，因为电信公司不可能在每个角落都建基站，成本太高了。 全球有大片大片的地方，包括海洋、沙漠、极地，都是通信的盲区。据统计，地球上大约有一半的地 方没有可靠的移动通信覆盖。 卫星通信的想法其实不新鲜。早在上世纪九十年代，就有公司尝试过卫星电话，比如铱星系统 （Iridium） 。但那时候的卫星电话有几个大问题：设备巨大笨重，通话费用贵得离谱，而且信号质 量也不太好。一台卫星电话能有砖头那么大，通话费一分钟几十块钱，普通人根本用不起。 本文来自微信公众号： 字母榜 ，作者：苗正，编辑：王靖，题图来自：AI生成 马斯克的星链计划又有了新动作，他在一档访谈节目中谈到，星链手机将要在2年后 ...

Core Insights - The article discusses the challenges faced by Elon Musk's SpaceX, particularly with its Starlink satellite system, which has experienced a significant increase in satellite failures due to atmospheric conditions influenced by solar activity [1][3]. Group 1: Satellite Failures - SpaceX's Starlink system has seen a dramatic rise in satellite losses, with 316 satellites burning up in the atmosphere in 2024, bringing the total losses to 583 satellites since the system's inception [3]. - The annual satellite failure rate has escalated from 2 in 2020 to approximately 88-99 in recent years, indicating a concerning trend for the sustainability of the satellite network [3][5]. Group 2: Atmospheric Impact - The increase in satellite failures is attributed to the expansion of the atmosphere caused by solar flares and sunspots, which leads to increased atmospheric drag on low Earth orbit satellites [5]. - As the atmosphere becomes denser, the likelihood of satellite re-entry and failure rises, posing a significant operational challenge for SpaceX [5]. Group 3: Financial Implications - To maintain a planned fleet of 42,000 satellites, SpaceX will need to continuously launch replacement satellites, which requires substantial financial resources [5]. - The potential for ongoing satellite losses raises concerns about the financial viability of the Starlink project, reminiscent of the failed Iridium satellite system due to low user demand [7]. Group 4: Government Support - Musk is seeking support from the U.S. government to encourage more industries to adopt the Starlink system, highlighting the importance of external backing for the project's success [7]. - The relationship between Musk and former President Trump is noted as a sensitive factor that could influence future developments for SpaceX and its satellite initiatives [7].