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Originally posted by Essan
Well to be fair, the thread did start off with a highly imaginative proposition that had no grounding in physical possibility
Would you rather folk go around believing that a break away ice shelf can cause the entire Earth's crust to shift, killing us all? Or rest easy in their beds knowing it's a physical impossibility (according to all know laws of science)
Originally posted by ZeddicusZulZorander
I always thought the theory was that massive amounts of ice would build at the poles causing the Earth to "wobble" similar to a football (American style). Eventually this "wobble" becomes great enough to cause a shift and the Earth would topple and change it's access while still remaining within it's current orbit.
Is what I outlined a plausable theory from a scientific sense? I'm curious.
Originally posted by Valhall
o one has EVER postulated a 180 degree spin. It is an angular displacement of around 15 degrees I believe.
Until you prove something is absolutely impossible and use only physical laws (not other interpretation based on premises of OTHER theories) to prove that, you are in VIOLENT OPPOSITION to the scientific method.
Yes, these can be used in support of the alternative theory
What you can show me is interpretations of geologic structures.
That's the beauty of the scientific method. I don't have to agree with your interpretation when it hasn't been proven
That, BY DEFINITION, leaves open the possibility that there could be other explanations;
Originally posted by Nygdan
Originally posted by Valhall
o one has EVER postulated a 180 degree spin. It is an angular displacement of around 15 degrees I believe.
*smacks forehead*
Ok, I see. However, I don't think that this is what chicklestick or whatever is talking about, he seems to be talking about the crust moving. You are suggesting that the earth's axis of tilt is thrown off, or possibly its obliquity, I beleive.
Catastrophism doesn't permit us to examine the past in any meaningful way, least of all to be able to determine if anything like a tilt-shift can occur, since it states that what happens now and is examinable by man is useful in understanding the past. There is no science to catastrophism
Originally posted by Valhall
Originally posted by Nygdan
Originally posted by Valhall
If this happened there would be mighty big earthquakes, winds, tidal waves...
Yes, but this can't happen. I am curious to see if the idea of the crustal slip-flip originated seperately from the idea of a (magnetic) 'pole reversal', or was later confused with it. But often people say one and mean both.
tsk tsk nygdan. You saying that doesn't make it impossible! For the sake of what will most assuredly be an interesting discussion....
Assuming it could...
and requiring that there be a causal force to put the shift in play, the Lt. General Chickelshnit has an interesting theory. I have read recently that models are showing that while the north pole ice cap is melting (due to global warming), the models show that there will be a near conservation of icedom (if you will) where the south pole increases at almost the same rate as the rate of loss of the north ice cap. This could cause a rather wobbly and stressful situation for our little crust.
SOME 16 million years ago, north became south in a matter of years. Such fast flips are impossible, according to models of the Earth's core, but this is now the second time that evidence has been found.
The magnetic poles swap every 300,000 years, a process that normally takes up to 5000 years. In 1995 an ancient lava flow with an unusual magnetic pattern was discovered in Oregon. It suggested that the field at the time was moving by 6 degrees a day - at least 10,000 times faster than usual. "Not many people believed it," says Scott Bogue of Occidental College in Los Angeles.