Private group wants to launch "cheapest possible" mission to Alpha Centauri
摘要
一个名为“星际云”的私人团体正计划发起前往半人马座阿尔法星的“尽可能廉价”的探测任务。该团体由英国数学家兼物理学家菲利普·约翰斯顿联合创立，他同时也是轨道数据中心概念的积极倡导者。此任务旨在回应费米悖论，即若宇宙中生命普遍存在，人类应已找到外星文明的证据。该计划试图以最低成本方式探索邻近星系，但具体技术方案与时间表尚未公布。
There are, by various estimates, several trillion planets within the local group of galaxies including our own Milky Way. Many of these are within the habitable zone of their stars. So if life finds a way, where are the alien civilizations?
This is the crux of what is known as the Fermi paradox, which posits that if life is fairly common in the Universe, humans should have collected credible evidence for the existence of extraterrestrial civilizations by now. People who think about this paradox believe there may be some "filter" which limits or entirely prevents an advanced civilization from sending out probes or even life-bearing spacecraft to nearby stars.
Philip Johnston is someone who thinks a lot about the Fermi paradox. A mathematician and physicist from the United Kingdom, Johnston has gained some notoriety lately in the space community as one of the biggest proponents of orbital data centers. He co-founded Starcloud in 2024 to develop such data centers, and the company is presently valued at $2.3 billion.
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