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New mass extinction crater found

Posted on Tuesday, 12 September, 2006 | Comment icon 15 comments


Image credit: NASA
 
"What appears to be a 480km-wide (300 miles) crater has been detected under the East Antarctic Ice Sheet."

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 Source: BBC News


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Recent comments on this story
Comment icon #6 Posted by Bigfoot_Is_Real on 12 September, 2006, 22:28
this isn't really new I heard of it about 2 months ago but heres its location
Comment icon #7 Posted by AphexTwin on 13 September, 2006, 6:21
sooo this is our first proof of what? killing some life down south? those many years ago, where were these countries located in vicinity to the others tho? close enough to kill 95% of life? hot damn! lets find another and shoot the next one comin
Comment icon #8 Posted by :PsYKoTiC:BeHAvIoR: on 13 September, 2006, 13:38
sooo this is our first proof of what? killing some life down south? those many years ago, where were these countries located in vicinity to the others tho? close enough to kill 95% of life? hot damn! lets find another and shoot the next one comin Imagine the firepower needed to blow up a 300 miles wide meteor! I don't think any country has that kind of force, do they?
Comment icon #9 Posted by UtahRaptor on 14 September, 2006, 7:00
WARNING: my spell checker isn't working!!! A while ago I did a study on E.L.E.'s and the P\T extinction event was one of the E.L.E.'s that popped up. Back during that time frame it IS possible that this event could be held responsible as to such a HUGE scale extintion of life. (95% aquatic and 75% land based including plants, animals and insects) It also may be responsible for the separation of the Gondwana super continent. Now as far as the mass extinction of 65 mil yrs ago....... I REALLY wish these so called "scientists" would actually do their research instead of fighting amung themselves.... [More]
Comment icon #10 Posted by Startraveler on 14 September, 2006, 15:27
But I find it a bit easier to swallow that a MASSIVE 300+ mile wide asteroid traveling much faster then the Yucatan meteor could do such damage. But... nothing is concrete..... The actual impacter wouldn't have been anywhere near 300 miles wide; that's merely the size of the crater. The impacter could've been perhaps 30 miles wide but not likely much larger.
Comment icon #11 Posted by frogfish on 14 September, 2006, 19:47
These include super massive global volcanic activity, global earthquakes, tsunamis, magnetic reversal of the poles, 1,667 planetary alignments that takes up (at the very least) half of the solar system, shifts in Earth's axis, solar flairs, magetic storms,gamma ray bursts, global super cells, and simple evolution. Gamma Ray Bursts? I don't think so... Many of those are normal solar or stellar activity. It is very plausible that an impact set of a chain of reactions causing an extinction.
Comment icon #12 Posted by UtahRaptor on 15 September, 2006, 4:26
So frogfish, what your saying is that 10 million years of all of these activities would do nothing to exterminate mass populations and species even though fossile records indicate a massive dieing off period of 10 mys?? And a small meteor started it all??? That is difficult for me to swollow.... The Earth tells the tale, its in the rocks. Yes the Yucatan meteor allong with the 5 others on different spots of the planet in the same 1 my span can easily deal a final death stroke. I do not deny this in the least! But there were MANY previous factors to take into account. Lets put this into a prese... [More]
Comment icon #13 Posted by UtahRaptor on 15 September, 2006, 4:29
The actual impacter wouldn't have been anywhere near 300 miles wide; that's merely the size of the crater. The impacter could've been perhaps 30 miles wide but not likely much larger. I stand corrected Startraveler. I mis-read the article. I was sleepy and a bit dopey last night. TY
Comment icon #14 Posted by Roj47 on 20 September, 2006, 13:45
What is the understanding on a larger percentage of marine animals dieing over land? Surely the shock wave, firestorm and temperature rises would affect land animals more than marine? Should this be correct then it can only be that marine life was simple and relying on photosynthesis, which I find hard to believe.
Comment icon #15 Posted by frogfish on 20 September, 2006, 22:05
So frogfish, what your saying is that 10 million years of all of these activities would do nothing to exterminate mass populations and species even though fossile records indicate a massive dieing off period of 10 mys?? No, I was talking about GRB and SGRs. I agree with you that volvanic activity played a major role in the K-T extinction. I just believed that the meteor was the "starting dominoe"


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