Survey Probes Cosmos from Near to Far | Science News



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Survey Probes Cosmos from Near to Far

1:10pm, June 6, 2001

When astronomers complete the Sloan Digital Sky Survey in 2004, they will have mapped the position and brightness of more than 100 million celestial objects over one-quarter of the sky. They will also have measured the distance from Earth to more than 1 million galaxies and quasars.

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