This is really nice, Glen, and not one I had seen. Many thanks,
Eric > On Apr 2, 2019, at 8:20 AM, uǝlƃ ☣ <geprope...@gmail.com> wrote: > > I second the thanks, Eric! Your "stripped via collision" lead me to Google. > I try to follow Ethan Siegel, but totally missed this post from last year: > > https://medium.com/starts-with-a-bang/5-ways-to-make-a-galaxy-with-no-dark-matter-7ed6fe6c9889 > >> On Mon, Apr 1, 2019 at 3:14 AM Eric Smith <desm...@santafe.edu >> <mailto:desm...@santafe.edu>> wrote: >> >> In a way, this result is the one that could have been expected. There >> are now lots of images from gravitational lensing that show “clouds” of DM >> off-center from galaxies that we can see in the visible. This especially >> happens when galaxies collide. So DM was behaving like matter already, and >> it is not very surprising to see that maybe it could be all-but-stripped >> from a galaxy, leaving only a scattering of visible matter. It would not >> surprise me if at some point somebody can show that it was a long-ago >> collision that did this stripping, and much later the diffuse ball of stars >> re-settled to an ellipsoid. > > -- > ☣ uǝlƃ > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com > archives back to 2003: http://friam.471366.n2.nabble.com/ > FRIAM-COMIC http://friam-comic.blogspot.com/ by Dr. Strangelove ============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com archives back to 2003: http://friam.471366.n2.nabble.com/ FRIAM-COMIC http://friam-comic.blogspot.com/ by Dr. Strangelove
