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Imagine believing in a model of Earth, with one hemisphere being the continent of Pangaea and the opposite hemisphere being ocean.
Such an arrangement would be completely unbalanced with regards to the supposed spin axis of the time. Are you not omitting isostatic balance?
There never was nothing.
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Imagine believing in a model of Earth, with one hemisphere being the continent of Pangaea and the opposite hemisphere being ocean.
Such an arrangement would be completely unbalanced with regards to the supposed spin axis of the time. Well, let's look at that. The maximum depth of the Marianna Trench is 10.994 km (10,994 ± 40 m) or 6.831 mi (36,069 ± 131 ft). That's the deepest part of the ocean. The radius of the Earth is 6,371 km (≈3,959 mi). That means that the maximum depth of the ocean is approximately 11/6,371 (.0017) or .17% of the radius of the Earth. What that amounts to is the fact that the depth of the ocean would have a negligible effect on the balance of the Earth. It would spin just fine with that much of an offset in balance. I have read somewhere that if the Earth was the size of a basketball you wouldn't be able to feel the mountains, the surface would be perfectly smooth. Getting it out of balance by moving stuff around on the surface would be kind of like getting a basketball out of balance by putting a drop of water on it. And talking about spit balls is a different thing. A spit ball actually changes the roughness of the baseball, which is much rougher than the Earth. Bill Gill
C is not the speed of light in a vacuum.
C is the universal speed limit.
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The Earth would spin erratically, and violently, until the spin axis lined up with the center of mass of Pangaea, which is somewhere in North-East Africa. As Bill points out, the shift of a bit of crustal material is hardly going to have a detectable influence on the Earth's spin. Small problem: There is no evidence that the rotational pole has ever been in North-East Africa. Have you checked the The polar wandering track for the Late Devonian? It may not be spot-on, but it is close.
There never was nothing.
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wonder which of you who is writing this noncense?
Is it Bill, his son, or preearth?
Nowonder we dont come in to discuss anymore
thank you
Blobby2
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Blobby2; if you are looking for a reasoned response to this post, you might need to be a bit more specific.
For example, what do you consider to be nonsense? Preearth’s posts, responses to them or the rarely answered questions?
Which Bill did you mean?
What makes you think that comments are not posted by those who claim responsibility for them?
There never was nothing.
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Haha I just caught up with this thread .. you are spot on Bill S :-) Perhaps I can recommend Preearth to look at a couple of youtube videos http://www.youtube.com/watch?v=AcQMoZr_x7Qhttp://www.youtube.com/watch?v=-lt8i7cb_o8You can even buy the toys which might help him. Again the usual comment if Preearth was a scientist not a mathematician he would read the background => http://en.wikipedia.org/wiki/Slosh_dynamics
Another example is problematic interaction with the spacecraft Attitude Control System (ACS), especially for spinning satellites[8] which can suffer resonance between slosh and nutation, or adverse changes to the rotational inertia. Because of these types of risk, in the 1960s the National Aeronautics and Space Administration (NASA) extensively studied[9] liquid slosh in spacecraft tanks, and in the 1990s NASA undertook the Middeck 0-Gravity Dynamics Experiment[10] on the space shuttle. The European Space Agency has advanced these investigations[11][12][13][14] with the launch of SLOSHSAT. Most spinning spacecraft since 1980 have been tested at the Applied Dynamics Laboratories drop tower using sub-scale models.[15] Extensive contributions have also been made[16] by the Southwest Research Institute, but research is widespread[17] in academia and industry.
What would happen with the liquid core or earth is well known.
Last edited by Orac; 11/08/12 09:43 AM.
I believe in "Evil, Bad, Ungodly fantasy science and maths", so I am undoubtedly wrong to you.
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Again the usual comment if Preearth was a scientist not a mathematician he would read the background... I still reckon Orac is an high school kid,... or at best an undergrad student.
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What makes you think that comments are not posted by those who claim responsibility for them? The people who run these sites use quite a number of aliases. Helps pump up real low numbers and its easier to win an argument if you are arguing with yourself. Its also easier to win an argument if everyone else (who is just you and your friends in multiple couples) agrees with you. All the science sites are like this.
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