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(visit the link for the full news article)
Scientists have determined that a 2-3km wide comet intercepted the earth 12,900 years ago. It disintigrated and turned the northern hemisphere into an inferno, killing off the large mammals including humans. This set back our road to civilization by thousands of years.
I don't think so.
Originally posted by j_kalin
Could this have been intentional? Do you think the ETs aimed it at us to keep us primitive?
I don't think we can do anything, even with today's capacities a comet or meteor big enough to make some damge was only discovered after it had passed by Earth in 2006 or 2005, I am not sure.
Imagine the effect on our present day cultures; what are we humans doing to prevent this happening in the future? This also happened in 1908 in Tunguska, Siberia.
...[T]he idea is still controversial and the theory is bedevilled by problems in obtaining accurate dates for the different events.
'We still have a long way to go,' admitted West. 'But we have a great deal of evidence, from many sites, so this is quite a powerful case that we are making.'
observer.guardian.co.uk...
Originally posted by stumason
Maybe the comet strike did us a favour by spurring the end of the last ice age with a huge release of some greenhouse gas or some such?
Originally posted by shots
In order for that to be true you have to prove the comet actually struck the earth as they think it did. As it stands now it is just a theory.
Originally posted by GradyPhilpott
I'm pretty sure that the proof of the event is the microscopic diamonds. What is a question is whether or not there is a causal link between the comet and the massive extinctions and climatic changes that are known to are known to have occurred.
Scientists will outline dramatic evidence this week that suggests a comet exploded over the Earth nearly 13,000 years ago, creating a hail of fireballs that set fire to most of the northern hemisphere.
observer.guardian.co.uk...
But not too early to be recorded on the development of the trees, of the surviving humans during the years of recovering, etc.
Originally posted by apc
But you're probably right. Looks like just a tad too early even for scribbles on a rock.
The scientists point out that archaeological evidence shows that early Stone Age cultures clearly suffered serious setbacks at this time. In particular, American Stone Age hunters, descendants of the hunter-gatherers who had migrated to the continent from Asia, vanished around this time.
observer.guardian.co.uk...
While the idea of a comet impact may seem far-fetched, Mr. Mitrovica notes that it took almost a decade before scientists accepted geologist Walter Alvarez's evidence that the iridiumrich layer he found pointed to the asteroid impact that killed off the dinosaurs 65 million years ago.
www.freerepublic.com...
I had not read the article, thanks for pointing it to me.
Originally posted by GradyPhilpott
As the article points out, there is plenty of evidence for what happened, what has been missing is a cause and that is where the comet comes in.
Originally posted by j_kalin
Could this have been intentional? Do you think the ETs aimed it at us to keep us primitive? Imagine the effect on our present day cultures; what are we humans doing to prevent this happening in the future? (...)