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Sloan Digital Sky Survey facts for kids

Kids Encyclopedia Facts

The Sloan Digital Sky Survey or SDSS is a major multi-spectral imaging and spectroscopic redshift survey using a 2.5-m wide-angle optical telescope at Apache Point Observatory in New Mexico, United States. The project was named after the Alfred P. Sloan Foundation, which made much of the funding.

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  • Quasars Acting as Gravitational Lenses

    Quasars acting as gravitational lenses. To find these cases of galaxy–quasar combinations acting as lenses, astronomers selected 23,000 quasar spectra from the SDSS.

  • Monster in the deep

    Light from distant galaxies has been smeared and twisted into odd shapes, arcs, and streaks.

  • LRG-4-606

    LRG-4-606 is a Luminous Red Galaxy. LRG is the acronym given to a catalog of bright red galaxies found in the SDSS.

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