ELLIPTICALGALAXY

Elliptical galaxy

An elliptical galaxy is a galaxy having an approximately ellipsoidal shape and a smooth, nearly featureless brightness profile. They are one of the three main classes of galaxy originally described by Edwin Hubble in his 1936 work The Realm of the Nebulae, along with spiral and lenticular galaxies. They range in shape from nearly spherical to highly flat and in size from tens of millions to over one trillion stars. Originally, Edwin Hubble thought that elliptical galaxies may evolve into spiral galaxies, which later turned out to be false. Stars found inside of elliptical galaxies are very much older than stars found in spiral galaxies.

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elliptical galaxy

Noun

  1. A galaxy having a smooth, featureless light-profile. It is one of the three main classes of galaxies originally described by Edwin Hubble in his 1936 work “The Realm of the Nebulae”.


The above text is a snippet from Wiktionary: elliptical galaxy
and as such is available under the Creative Commons Attribution/Share-Alike License.

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