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Published March 6, 1980 | public
Journal Article

The dynamics of galaxies and the 'missing mass' problem

Gunn, J. E.

Abstract

I review the observational situation concerning the existence of dark matter in the outer parts of galaxies. Observation now leaves little doubt of its presence, and both observation and simple theory suggest that the dark matter is probably bound to galaxies, and furthermore is present around both spirals and ellipticals. New evidence concerning the rotation curve of the Galaxy shows that the distribution of the halo stuff in our own system is roughly spherical, as seems natural from existing dynamical data on the nature of the halo material.

Additional Information

© 1980 The Royal Society. This work was supported in part by the National Science Foundation, through grants AST76-80801-AO1 and AST78-24842.

Additional details

Created:
August 19, 2023
Modified:
October 18, 2023