Spiral Structure in Galaxies

Marc Seigar is a Professor of Astrophysics and Associate Dean of the Swenson College of Science and Engineering at the University of Minnesota Duluth (UMD). He is also the current director of the Marshall W. Alworth Planetarium at UMD. Prior to his arrival at UMD, he worked as a Professor of Astrophysics at the University of Arkansas at Little Rock, a Project Scientist at the University of California, Irvine, and a Staff Astronomer at the United Kingdom Infrared Telescope. Professor Seigar has published numerous papers and conference proceedings articles in the field of galaxy dynamics, spiral structure, and dark matter. He is the author of Dark Matter in the Universe, IOP Concise Physics, a Morgan & Claypool publication, 2015.

Preface
Acknowledgements
Author biography
1 The discovery of spiral galaxies
2 The classification of galaxies
3 Density wave theories of spiral structure
4 Other theories of spiral structure
5 Star formation in spiral galaxies
6 Spiral structure and its connection with black holes and dark matter
7 Concluding remarks