However, its history can be traced to two earlier forums: the Unknown BBS at Peking University, China from 1996-1997, followed by the Space BBS at Center for Space Science at Chinese Academy of Sciences.
然而，其历史可追溯到另外两个较早的论坛：1996—1997年中国北京大学的未名BBS以及后来中国科学院空间科学中心的空间BBS。