The DR5 data release of SDSS
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The Sloan Digital Sky Survey is a project to survey a 10000 square degree area on the Northern sky over a 5 year period. A dedicated 2.5m telescope is specially designed to take...
斯隆数字巡天（Sloan Digital Sky Survey）是一项计划在五年周期内对北天球10000平方度天区开展巡天观测的项目，该项目采用一台专门设计的2.5米口径专用望远镜以进行观测……
