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AsteriaStar
Galaxy morphology

Ring Galaxy

A galaxy with a bright ring of stars and gas around a comparatively empty centre, usually formed when a smaller galaxy plunges through the disk of a larger one, sending a wave of star formation outward.

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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.