1995/10/23 by Robert W. Nelson, Scott Tremaine, Nelson, Robert W. +1
Physics and Astronomy · #Astrophysics (astro-ph) #FOS: Physical sciences #astro-ph
paper · pdf · doi:10.48550/arxiv.astro-ph/9510113
16 pages, uuencoded tar-compressed postscript. To appear in the Proceedings of the 36th Herstmonceux Conference, "Gravitational Dynamics," eds. O. Lahav, E. Terlevich and R. Terlevich
arxiv created 1995/10/23 · arxiv updated 2009/12/01
Large-scale warps in the outer parts of spiral galaxy discs have been observed for almost forty years, but their origin remains obscure. We review the dynamics of warped galaxy discs. We identify several mechanisms that could excite warps, all involving the gravitational interaction between the disc and the dark-matter halo.