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Citizen-science project · On Zooniverse

Galaxy Zoo

The project that asked the public to sort galaxies by shape from survey images — and found volunteers could do it as well as experts, at enormous scale. Its classifications became a landmark dataset and the training labels for the machine-learning classifiers that followed.

Highlights

  • The public classified galaxies at a scale no team could

Across public astronomy

Knowledge connections

Sources

The primary and reference sources this topic draws on.

  • NASANational Aeronautics and Space Administration

    Mission data, planetary science, space telescopes, and public-domain imagery.

    Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.