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10-19-2013, 04:01 PM
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#21
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Moderator Emeritus
Join Date: Oct 2007
Location: Portland
Posts: 4,946
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Less than half a kilometer across? Piffle. Chump change. Certainly a continent-blaster, but barely an extinction event, unless it hits an ocean. And what are the odds of that happening?
Asteroids are Natures way of asking "How's that space program coming along?"
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10-20-2013, 11:46 AM
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#22
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Administrator
Join Date: Apr 2006
Posts: 22,974
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Quote:
Originally Posted by M Paquette
Less than half a kilometer across? Piffle. Chump change. Certainly a continent-blaster, but barely an extinction event, unless it hits an ocean. And what are the odds of that happening?
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If it hits at all, I would think there's about 70% or so chance it hits water and 30% chance of hitting land. But those higher order probability calculations are likely beyond my ken.
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Living an analog life in the Digital Age.
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10-20-2013, 12:37 PM
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#23
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Thinks s/he gets paid by the post
Join Date: Jun 2010
Location: Palma de Mallorca
Posts: 1,419
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Quote:
Originally Posted by M Paquette
Certainly a continent-blaster, but barely an extinction event, unless it hits an ocean.
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That's interesting. Why is it worse if it hits an ocean? I was kind of thinking it would raise less dust.
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10-20-2013, 02:30 PM
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#24
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Administrator
Join Date: Jul 2005
Location: N. Yorkshire
Posts: 34,056
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Quote:
Originally Posted by BigNick
That's interesting. Why is it worse if it hits an ocean? I was kind of thinking it would raise less dust.
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Because you end up with Sharknado
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Retired in Jan, 2010 at 55, moved to England in May 2016
Enough private pension and SS income to cover all needs
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10-20-2013, 03:00 PM
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#25
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Thinks s/he gets paid by the post
Join Date: Oct 2010
Location: irradiated - too close to the nuclear furnace
Posts: 1,294
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or a tidal wave.
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10-21-2013, 11:56 AM
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#26
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Thinks s/he gets paid by the post
Join Date: Jun 2010
Location: Palma de Mallorca
Posts: 1,419
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Thanks for that. I can see that I was missing out on a little bit of cultural gold by never having heard of that phenomenon.
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10-21-2013, 12:00 PM
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#27
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Give me a museum and I'll fill it. (Picasso) Give me a forum ...
Join Date: Sep 2012
Location: Seattle
Posts: 6,009
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Quote:
Originally Posted by Gumby
If it hits at all, I would think there's about 70% or so chance it hits water and 30% chance of hitting land. But those higher order probability calculations are likely beyond my ken.
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I think it doesn't really make a difference what an asteroid of that size hits. It pretty much ignores the half a mile of water and just goes kablooey.
Best bet is to be on the opposite side of the planet, or better on one of those 30 day trips to mars.
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11-07-2013, 06:49 AM
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#28
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Administrator
Join Date: Jan 2008
Location: Chicagoland
Posts: 40,590
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An update to this threat thread
Quote:
But now a team of scientists is suggesting that the Earth is vulnerable to many more Chelyabinsk-size space rocks than was previously thought. In research being published Wednesday by the journal Nature, they estimate that such strikes could occur as often as every decade or two.
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Story here http://www.nytimes.com/2013/11/07/sc...find.html?_r=0
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