Re: Comet impact in the Eastern United States - Feasibility of

In article
<360958ab-857f-4e1b-adae-50027f6a792b@[EMAIL PROTECTED]
>,
Matt Browne SFW  <matt.h.browne@[EMAIL PROTECTED]
> wrote:
>On Mar 9, 6:37 pm, jdnic...@[EMAIL PROTECTED]
 (James Nicoll) wrote:
>> In article
<606fddac-d790-45bb-aed8-76aa6aae7...@[EMAIL PROTECTED]
>,
>> Matt Browne SFW  <matt.h.bro...@[EMAIL PROTECTED]
> wrote:
>>
>> It is very unlikely that the Earth will be struck by a large enough
>> object in the next five billion years.
>>
>>         In fact, even if we move the goal posts to mere mass
extinctions,
>> there's only one mass extinction that is thought to have been caused by
>> an impact and lots of large craters that are not associated with
extinctions
>> at all. Your garden variety flood basalt seems to be worse for the
>> environment and any cooling event that leads to a snowball or slushball
>> Earth would also be very bad.
>>
>
>I'm actually not talking about mass extinctions here.

	Then why did you say "There is only one natural disaster that
has the potential to destroy all life on Earth: a direct hit by a comet"?


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