Path: csiph.com!au2pb.net!usenet.blueworldhosting.com!feeder01.blueworldhosting.com!border2.nntp.dca1.giganews.com!Xl.tags.giganews.com!border1.nntp.dca1.giganews.com!nntp.giganews.com!local2.nntp.dca.giganews.com!nntp.earthlink.com!news.earthlink.com.POSTED!not-for-mail NNTP-Posting-Date: Tue, 03 May 2016 22:45:19 -0500 Message-ID: <57297099.4BCA@ix.netcom.com> Date: Tue, 03 May 2016 20:46:33 -0700 From: The Starmaker Reply-To: starmaker@ix.netcom.com X-Mailer: Mozilla 3.04Gold (WinNT; U) MIME-Version: 1.0 Newsgroups: sci.physics.relativity Subject: Re: dark matter References: <7de2db9a-83a8-4e3d-bfe2-1dc4592330e3@googlegroups.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 29 X-Usenet-Provider: http://www.giganews.com NNTP-Posting-Host: 108.219.229.47 X-Trace: sv3-eK19v/5MWq57eIn9xtfymzuZ1rBQb5NLoH5okQA5xGhlET8YLIiI6IqiJQOPzCmt4+N/0KCUegsTDZR!+lrv78rjD19dxNeuuJuy+3i/32Mj6QbtYxsuQeh0irRRL7J6PXyHFzMcP+2YhnpGGgkFshHSiFiX!qKGrGWuy7ao= X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 X-Original-Bytes: 2013 Xref: csiph.com sci.physics.relativity:382759 RichD wrote: > > OK, we don't know what this 'dark matter' stuff is, > and there's a worldwide race to detect it. My question > is, what DO we know about it? Or, what are the working assumptions? > > For instance, is it supposed to fit into the existing > fermion/boson structure? There seems to be an assumption > that it's uncharged... reason? Perhaps it does carry > electric charge, which all cancels out, per the usual > 'no net universal charge' pseudo-law of science. > > Or, maybe it's some kind of field, which fills the universe, > a la Higgs. Is there reason to reject this? > > Also, its distribution is unclear - it binds galaxies, > does that necessarily mean it's uniformly distributed? > There are some allusions to a "halo", whatever that means. > > I'm trying to figure out what's known, and what's ruled out - > > -- > Rich what binds galaxies is gravity. That which they call 'dark matter' is actually just...Gravity.