tag:blogger.com,1999:blog-32546160.post9138776068780994645..comments2024-03-01T21:25:50.289+11:00Comments on astropixie: jazz and cosmologyAnonymoushttp://www.blogger.com/profile/14621483772952311458noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-32546160.post-2948813698278749932008-10-19T00:50:00.000+11:002008-10-19T00:50:00.000+11:00you both make interesting points. thank you! i sho...you both make interesting points. thank you! <BR/><BR/>i should write up a proper post about dark matter and MOND soon, but for now... people are still publishing papers using MOND and investigating the associated relativistic theory of Tensor-Vector-Scalar gravity (TeVeS - TeVeS is to MOND as general relativity is to newtonian physics). from listening to particle physicists talk, the Anonymoushttps://www.blogger.com/profile/14621483772952311458noreply@blogger.comtag:blogger.com,1999:blog-32546160.post-14260038386415109642008-10-15T22:17:00.000+11:002008-10-15T22:17:00.000+11:00OK, from that reference it appears that the eviden...OK, from that reference it appears that the evidence from the Bullet Cluster observations is somewhat stronger than I had understood it to be. I would point out, however, that dark matter was being discussed as "fact" well before August 2006.<BR/><BR/>There is a difficulty, though, with science in labelling how well something is known when talking to the public. If theories of atoms or Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-32546160.post-14026321187295524882008-10-13T06:35:00.000+11:002008-10-13T06:35:00.000+11:00Well Ed, MOND has pretty much been disproven. Peo...Well Ed, MOND has pretty much been disproven. People have long had trouble getting it to match with the successful predictions of General Relativity. With observations of the <A HREF="http://en.wikipedia.org/wiki/Bullet_Cluster" REL="nofollow">Bullet Cluster</A>, you have to go through pretty extreme mental gymnastics to think that MOND is still tenable.<BR/><BR/>I think it is fair to say that Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-32546160.post-15637277538380141592008-10-11T03:10:00.000+11:002008-10-11T03:10:00.000+11:00therefore, something else, something non-visible, ...<I>therefore, something else, something non-visible, something dark, "dark matter" existed inside the galaxy to gravitationally speed up the stars rotating around the edges.</I><BR/><BR/>So, <A HREF="http://en.wikipedia.org/wiki/MOND" REL="nofollow">MOND</A> and any similar theories have been shown to be wrong?<BR/><BR/>I have no opinion one way or the other: it's just that to an outsider like meAnonymousnoreply@blogger.com