News & CommentAstronomy

'First Light' for Giant Sky Survey

Science  29 May 1998:
Vol. 280, Issue 5368, pp. 1337-1338
DOI: 10.1126/science.280.5368.1337

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Summary

The Sloan Digital Sky Survey, an $80 million project involving researchers at seven universities and research institutions in the United States and a collaboration in Japan, has made its first images of the night sky. The survey, using a 2.5-meter telescope and an innovative electronic camera, will gather images of perhaps 200 million celestial objects and map the precise positions of a million galaxies in a 1.5-billion-light-year-wide chunk of the universe.

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