from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A galaxy with an elliptical shape, containing relatively little gas and dust and having older stellar populations as compared to spiral galaxies.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
galaxyhaving a smooth, featurelesslight-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”.
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