Panchromatic Observations of Galaxies: Introductory Remarks

  • J. Gallagher
  • G. Fabbiano
Part of the Astrophysics and Space Science Library book series (ASSL, volume 160)


Galaxies are complex systems. Understanding the structure, evolution, and formation of galaxies is therefore a major challenge for current astrophysics. Part of the difficulty lies in the many complex interactions that occur between the various components of galaxies and part in our incomplete understanding of how initial conditions and evolution have shaped galaxies. For example, at the present time answers to even basic questions are still unclear, such as whether elliptical galaxies formed primarily via mergers of systems consisting primarily of stars or from the dissipative collapse of mainly gaseous proto-galactic clouds.


Star Formation Spiral Galaxy Stellar Population Galactic Disk Elliptical Galaxy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Kluwer Academic Publishers 1990

Authors and Affiliations

  • J. Gallagher
    • 1
  • G. Fabbiano
    • 2
  1. 1.AURA, IncWashingtonUSA
  2. 2.Harvard-Smithsonian Center for AstrophysicsCambridgeUSA

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