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Large-scale galactic shock phenomena and the implications on star formation

Published online by Cambridge University Press:  14 August 2015

W. W. Roberts Jr.
W. W. Roberts Jr.*
Affiliation:
University of Virginia, Charlottesville, Va., U.S.A.

Abstract

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The possible existence of a stationary two-armed spiral shock pattern for a disk-shaped galaxy, such as our own Milky Way System, is demonstrated. It is therefore suggested that large-scale galactic shock phenomena may very well form the large-scale triggering mechanism for the gravitational collapse of gas clouds, leading to star formation along narrow spiral arcs within a two-armed grand design of spiral structure.

Type
Part IV/Comparison of Theory and Observations
Information
Symposium - International Astronomical Union , Volume 38: The Spiral Structure of our Galaxy , 1970 , pp. 415 - 422
Copyright
Copyright © Reidel 1970 

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