Steph Smith: 直到大多数卫星运行的低地球轨道（LEO）比圣地亚哥离奥斯汀更近。 ?

原推：TIL that Low-Earth Orbit (LEO) — where a majority of satellites operate — is closer to Earth than San Diego is to Austin. ?

https://twitter.com/stephsmithio/status/1563691494489198592