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To: Moominoid who wrote (23314)	9/12/2002 8:45:25 PM
From: Cogito Ergo Sum	Respond to of 74559

This is the number of joules released: 7.90729E+17 Things like that really erg me..... ;o) Edit GROOOOOOOOOOOAAAAAAAAAAAAAAAANNNNN

To: Moominoid who wrote (23314)	9/12/2002 8:55:57 PM
From: Maurice Winn	Respond to of 74559

David 1 billion gigawatts for a second is still quite a big wave. Much of the wave would be in the atmosphere, which acts like a liquid for the purposes of incoming billions of gigawatts. The earth's crust acts like a liquid too, with kilometre-sized incomings. Even if the 200 metre meteor doesn't reach the water [they tend to go bang in the sky when they hit the atmosphere], the air pressure is enormous and a huge ocean and air wave is formed. At Tunguska, the trees got flattened. Over the ocean, the water gets squashed down, then pops up again and the wave starts propagating across the ocean at high speed, the speed being a function of the amplitude. With big meteors, where the top of the meteor is still entering the atmosphere while the bottom is somewhere near the water, there is a very big mess. Searching Granny's handbag for nail clippers is absurd when this sort of stuff is coming. Right now, we know they are en route for a bullseye. All we don't know is whether impact will be before I click 'enter' or 50 years from now [for a meteor large enough to make the Twin Tower destruction look trivial]. Living at the interface of two liquids in a cosmic shooting gallery makes for a lot of excitement at times. Heck, even a hurricane can stir people up. I know you know this stuff. I'm just ranting... Mqurice

To: Moominoid who wrote (23314)	9/13/2002 12:47:37 AM
From: smolejv@gmx.net	Read Replies (1) \| Respond to of 74559

Seeing all the dangers lurking on my existence, I just can say I am a darn lucky SoB to have survived so far :O) Having managed so far to avoid a) the big one (CA, Yellowstone ... ) b) some Tsunami when visiting Tokyo, HK... c) the Armaggedon asteroid d) (... feel free to fill in) ...is just unbelievable. BUT, otoh, I probably will not give up my atma without seeing/having to watch/having to play in a real war ("it's man against man, man"). And probably my death will be caused by a fellow human being (DnD accident, a screwup in OR with oxygen and nitrogen, food/water/air poisoning - intentional or "shit-happens" variety, oh my, I tell you guys, there's 5B-1 humans who're after my a*se;) BUT (again) we're all used to living in civilized society (ng), it's the NATURE, or whatever is left of it, that's still scares us - comes from reading too many Jungle & Jules Verne books as a kid. RegZ dj