Glossary
Help
 Archive Intro
 Table Descriptions
 Schema Browser
 Glossary
 Algorithms
 Introduction to SQL
 Form Query User Guide
 Query Limits
 How To
 FAQ
 API
 sdssQA
 Download
 SkyServer Sites
 Web Browsers
 Contact Help Desk

nametext
plateSDSS has the largest multi-fiber spectrograph in operation in the world, observing 640 objects simultaneously. This is done by drilling holes in round aluminum plates at the positions of objects of interest, and plugging optical fibers into each hole.