In reply to Jed Rothwell's message of Mon, 4 Feb 2013 20:20:49 -0500: Hi, [snip] >I doubt the Tunguska event was caused by anything other than normal matter, >but on the other hand they have found no sign of the meteorite. > .if it was a "gravel" meteorite then it may have broken up completely while still in the air, resulting in a huge heat flash, but little matter actually impacting the surface.
Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html