On 6/17/2010 6:53 PM, The Avantguardian wrote: > Seems pretty convincing to me that galaxies are swimming in something > that has enough mass to bend light and, as you pointed out, cause stars > in the disk of galaxies to violate Kepler's Laws. Unless some MOND is correct: http://en.wikipedia.org/wiki/Modified_Newtonian_dynamics Damien Broderick