On the Generation of the Hubble Sequence Through an Internal Secular Dynamical Process

  • Xiaolei Zhang
Conference paper
Part of the Astrophysics and Space Science Library book series (ASSL, volume 319)


The secular evolution process, which slowly transforms the morphology of a galaxy over its lifetime, could naturally account for observed properties of the great majority of physical galaxies if both stellar and gaseous accretion processes are taken into account. As an emerging paradigm for galaxy evolution, its dynamical foundation had been established in the past few years, and its observational consequences are yet to be fully explored. The secular evolution picture provides a coherent framework for understanding the extraordinary regularity and the systematic variation of galaxy properties along the Hubble sequence.


Generation of the Hubble Sequence Secular evolution of galaxies 


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Copyright information

© Springer Science+Business Media New York 2004

Authors and Affiliations

  • Xiaolei Zhang
    • 1
  1. 1.US Naval Research LaboratoryUSA

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