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AsteriaStar
Galaxy morphology · E0–E7

Elliptical Galaxy

A smooth, featureless ellipsoid of mostly old stars, with little gas and little ongoing star formation. The largest ellipticals sit at the centres of galaxy clusters and are thought to be built by mergers.

Highlights

  • Old stars, built by mergers

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.