Re: Vredefort

[Richard W Travsky <rtravsky@uwyo.edu>]

On Wed, 24 Nov 1999, Ilja Nieuwland wrote:
> I am certainly no expert at this, but doesn't all this rather beg the 
question how much impact the earth can bear before its structural integrity 
is compromised? If a 'mere' one-mile diameter projectile can produce all this 
maehem (one million Krakatoa explosions is quite expressive), then where would 
a five of more-diameter comet leave us?

Well, from the standpoint of a biologic, yes, it's bad, but look at the
moon. It took some pretty big hits and it's a lot smaller than the Earth.