DougWeller Wrote:
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> This also looks good.
> [aacimotaatiiyankwi.org]


I found your link extremely interesting, but the theory of an airbust explosion of a comet might have destroyed the Hopewell it is not very clear to me, although the arguments on the article are pretty good. What happened in Tunguska being an airbust explosion of a comet is a pretty good explanation but it is not the consensus. The Tunguska region iridium was already found like in the Hopewell region. This explosion is considered to be capable of destroying a large metropolitan area [pt.m.wikipedia.org]
The consensus on Tunguska is that an asteroid actually hit the ground, so the comet theory was dismissed. I have my doubts yet on the comet theory destroying the Hopewell and being the cause of the explosion in Tunguska, or being the cause of the dinosaurs extinction.
I have to add a little humor saying that is so hot in Brazil in this past week and specially today that talking about heat it is a no good subject for today.

Cintia Panizza
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"Happiness is only real when shared."
Christopher McCandless