tag:blogger.com,1999:blog-14895585.post114709476410288198..comments2024-01-10T21:09:40.742+00:00Comments on davep's astronomy: M13 with the BRTDave Pearsonhttp://www.blogger.com/profile/07460881163553899351noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-14895585.post-1147113241496103032006-05-08T19:34:00.000+01:002006-05-08T19:34:00.000+01:00Dave, that is cool to think about the photons head...Dave, that <EM>is</EM> cool to think about the photons heading in opposite directions.Anonymousnoreply@blogger.com