I now have some lovely animations to go with my paper

http://arxiv.org/abs/0901.3503

to show how gravitational alignment of orbital rosettes generates
galactic spiral arms. The animations can be seen at

http://www.teleconnection.info/rqg/SpiralStructure

(apologies to anyone with dial-up connection, but I think it still is
worth a look).


Regards

--
Charles Francis
moderator sci.physics.foundations.
charles (dot) e (dot) h (dot) francis (at) googlemail.com (remove spaces and
braces)

http://www.teleconnection.info/rqg/MainIndex