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Galactic evolution: a survey of recent progress.

K M Strom, S E Strom

    Science (New York, N.Y.)
    |May 7, 1982
    PubMed
    Summary
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    This review examines galaxy evolution, focusing on common factors in elliptical and disk galaxies versus environmental influences. It evaluates current models against observational data to understand galactic formation.

    Area of Science:

    • Astronomy and Astrophysics
    • Cosmic Evolution

    Background:

    • Observational data on galaxy evolution is extensive.
    • Galaxies exhibit diverse characteristics, with distinct elliptical and disk types.
    • Environmental factors are known to influence galaxy properties.

    Purpose of the Study:

    • To review current observational knowledge on the evolution of elliptical and disk galaxies.
    • To identify common factors in galaxy evolution across different types.
    • To assess the impact of environmental conditions on galaxy properties.

    Main Methods:

    • Review of current observational knowledge.
    • Comparative analysis of galaxy types (elliptical vs. disk).
    • Evaluation of galactic formation and evolution models.

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    Main Results:

    • Distinguishes between intrinsic properties of galaxy types and environmentally dependent factors.
    • Highlights key commonalities within elliptical and disk galaxy populations.
    • Identifies specific environmental influences shaping galaxy evolution.

    Conclusions:

    • Current models show varying success in explaining observed galaxy evolution.
    • Understanding intrinsic properties is crucial for a comprehensive galaxy evolution theory.
    • Environmental factors play a significant, type-dependent role in galactic evolution.