Bernd, >House-sized chunks of rock would be >tossed hundreds of miles and our atmosphere would be >saturated with dust for years.
This would be bad... Thanks for all the information. -Walter ----------------------------------------------- Walter Branch, Ph.D. Branch Meteorites 322 Stephenson Ave., Suite B Savannah, GA 31405 USA www.branchmeteorites.com ----- Original Message ----- From: "Bernd Pauli HD" <[EMAIL PROTECTED]> To: "meteorite-list" <[EMAIL PROTECTED]> Sent: Thursday, July 25, 2002 2:45 PM Subject: [meteorite-list] Torino Scale > Walter wrote: > > > how large does an object have to be for it not to vaporize > > completely upon plunging through Earth's atmosphere, i.e., > > for there to be anything sizeable left to cause wide destruction > > once it hits the ground (or water)? > > Hello Again, > > According to G. Verschuur, the consequences may be something like: > > Very Large (>10 km) - Global - Mass extinctions > Large (2-10 km) - Global - Some extinctions > Medium (0.2-2 km) - Regional - Threat to civilisation > Small (30-200 m) - Local - Severe > Very Small (10-30 m) - Local - Minor > > If a really big one hit the Earth, as big as the the impactor that > killed the dinosaurs (10-15 km), its destructive force and the conse- > quences would be horrifying. It would hit us with the force of about > 100 million megatons of TNT - this is more than 10,000 times the entire > arsenal of nuclear weapons. If it plunged into an ocean, there would be > tsunamis hundreds of feet high. House-sized chunks of rock would be > tossed hundreds of miles and our atmosphere would be saturated with > dust for years. > > > Best regards, > > Bernd > > ______________________________________________ > Meteorite-list mailing list > [EMAIL PROTECTED] > http://www.pairlist.net/mailman/listinfo/meteorite-list > ______________________________________________ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
