马斯克 的最新消息
RT: Falcon 9 has completed 31 missions so far this year, delivering ~351 metric tons to orbit – carrying astronauts & research to the @space_station, deploying Starlink to provide global high-speed internet, as well as many other critical payloads for our commercial & gov customers https://t.co/2t4EWapOrC
转发:Falcon 9今年到目前为止已经完成了31项任务,向轨道输送了约351公吨的宇航员;研究@space_空间站,部署Starlink以提供全球高速互联网,以及许多其他关键有效载荷,为我们的商业和;政府客户https://t.co/2t4EWapOrC
@Erdayastronaut @LevEakins More accurate word is “propellant”, rather than “fuel”. Starship is ~78% liquid oxygen, ~22% fuel.
Propellant cost is of primary importance for a fully reusable rocket, so reusable rockets want high thrust, as thrust below T/W of 1 is irrelevant.
@埃尔达亚斯特罗诺@利维金斯更准确的词是“推进剂”,而不是“燃料”。星际飞船大约78%是液氧,22%是燃料。
推进剂成本对于完全可重复使用的火箭至关重要,因此可重复使用的火箭需要高推力,因为低于1吨/瓦的推力无关紧要。
@TJ_Cooney @SpaceX Starlink bandwidth varies a lot, depending on user terminal density & time of day. That’s why the long wait in some areas.
Throughput is roughly linear with total V1 satellites in operation. V2 satellites are at least 5 times better (conservative estimate) than V1.
@TJ_Cooney@SpaceX Starlink带宽变化很大,取决于用户终端密度和;一天中的时间。这就是为什么在某些地区要等待很长时间。
吞吐量与运行中的V1卫星总数大致呈线性关系。V2卫星比V1卫星至少好5倍(保守估计)。
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