Tim,
There is some thought that dark matter is just a math error that arises because both Newton's gravity theory and einsteinn's general relativity have an inherent assumption of spherical symmetry in them. Evidence of this is that sperical galaxies have no dark matter.
It the correct non-symmetric gravity theory is used, then spiral galaxies do not have dark matter either. Here are the pertinent references:
1. gr-qc/0511026 [abs, ps, pdf, other] :
Title: Gravitational solution to the Pioneer 10/11 anomaly
Authors: J. R. Brownstein, J. W. Moffat
Comments: 11 pages, 4 figures, 1 table
2. astro-ph/0507222 [abs, ps, pdf, other] :
Title: Galaxy Cluster Masses Without Non-Baryonic Dark Matter
Authors: J. R. Brownstein, J. W. Moffat
Comments: Submitted to MNRAS, July 8, 2005. 16 pages, 2 figures, 1 table, 106 galaxy clusters
3. astro-ph/0506370 [abs, ps, pdf, other] :
Title: Galaxy Rotation Curves Without Non-Baryonic Dark Matter
Authors: J. R. Brownstein, J. W. Moffat
Comments: 43 pages, 7 figures, 4 tables, 101 galaxies. Submitted to ApJ, June 20, 2005. Accepted for publication in ApJ, September 21, 2005. To be published in ApJ 636 (January 10, 2006)
Journal-ref: Astrophys.J. 636 (2006) 721
I developed my theory before these theories came to light. Nevertheless the whole idea of a superfluid of very nearly massless particles that then have wave functions larger than our planet, and therefore are a superfluid, is still very appealing to me. Here is an early reference to my work, actually a review paper:
http://www.dhushara.com/pdf/ruquist.pdf.
Enjoy,
Richard |