Re: No Asteroid Armageddon

From: Ian Stirling (root_at_mauve.demon.co.uk)
Date: 12/29/04 

Date: 29 Dec 2004 18:02:06 GMT

Zebo Cooks <nospam@nospam.com> wrote:
>
> "Ian Stirling" <root@mauve.demon.co.uk> wrote in message
> news:41d2d5e0$0$14605$ed2619ec@ptn-nntp-reader01.plus.net...
>> Uncle Al <UncleAl0@hate.spam.net> wrote:
>> > <http://www.cnn.com/2004/TECH/space/12/29/asteroid.ap/index.html>
>> >
>> > NASA bureaucrats today declaimed that the planet-destroying impact
>> > with asteroid 2004 MN4 projected for Friday 13 April 2029 has been
>> > idefinitely postponed.
>>
>> You can't destroy a planet with a 300m diameter asteroid.
>> (well, unless it's an extra-solar object coming in at hundreds of Km/s.)
>
> not destroy it, but destroy the world economies.
> A hit near any of the major cities would impact the financial markets
> severely and cause stock market crashes. no food, riots, need to go deep
> underground with cans of tuna, and candles.
> what is the energy of a 300m coming in at 100,000 km/hr? assume Iron, or
> depleted Uranium.

Don't be bloody stupid.
There are no depleted uranium asteroids.

If it's rock, and hits at about 15Km/s, then it's about 700 megatons.

> Where would you want it to hit? Bangalador, India?

Washington.

> (NASA is planning to put a manned guidance system on the asteroid)

The chances of it hitting a major city is small.
50Km away, you're almost certain to come out OK, unless you get hit
by a big lump.

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