In reply to Ron Kita's message of Thu, 27 Sep 2012 18:09:34 -0400: Hi, [snip] >Greetings Vortex-L, > >An ancient stream found on Mars: >http://news.yahoo.com/mars-rover-curiosity-finds-signs-ancient-stream-190805936.html
Dust blown in the wind will also round off sharp edges, especially if has billions of years in which to do it. Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html
