Date: Mon, 30 Jun 2008 13:56:17 -0400 (EDT) From: dicconf <dicconf at radix.net> To: WSFA members <WSFAlist at KeithLynch.net> Subject: [WSFA] Re: Tunguska event centennial today Reply-To: WSFA members <WSFAlist at KeithLynch.net> On Sun, 29 Jun 2008, Keith F. Lynch wrote: > Today (June 30th in the relevant time zone) is the 100th anniversary > of the Tunguska event, in which nearly a thousand square miles of > Siberian forest were flattened by a tremendous explosion. Asteroid? > Comet? Starship? Antimatter? Time traveler with an H-bomb? Nobody > knows. Most likely asteroid or comet. There's persuasive evidence either way. > Could it happen again today, perhaps over a major city? > Nobody knows. It could happen any time. We're most at risk every ten years. Source: _Voices of the Rocks_ by Robert Schoch. =Tamar