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Re: _Night Comes to the Cretaceous_
>Jonathon Woolf wrote: et cetera. Engineers call it a "cascade failure."
Yes, we do. And the impactor triggered one. I'll have to line up along side
on this issue. Bear in mind that a six mile diameter impactor would make "Deep
Impact" look like a powder puff. Any creature in direct line-of-sight of the
path through the atmosphere would be dead before the impactor reached the
likely even before arrival of the shock wave, because of thermal radiation from
> > How would the appearance of kudzu in, say, South Carolina, cause the
> > extinction of, say, bald eagles in Alaska? Kudzu arrived from somewhere
> > else;
> > why isn't the place it arrived from devastated?
> Because in the place where it was -- East Asia, if I recall correctly -- it
> controlled either by climate or by local herbivores. Suppose a new species of
> plant arose that had no enemies in its origin-place and spread from there?
> eventually something would turn up that could eat it, but in the meantime it
> do a heckuva lot of damage.
I come from a kudzu pocket in eastern Arkansas, where it was imported in the
20th century to control erosion. It's a nuisance, but not devastating.