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« on: August 09, 2006, 07:33:09 pm »
Berlioz: I didn't know anyone still believed in that. First off, with our current understanding of gravity (which, so far, has been absolutely correct for the millions of stars and tiny atomic interactions), a hollow inside a sphere, no matter how think of a shell it has, will always have a gravity of zero everywhere inside of it. (the earth is not a perfect spere, so we would have TINY gravitational imbalances) If the object was spinning, people would feel a "downward" pulling force due to centripetal force, but than we would experience anamolies as we apporached the poles, but we do not (not to mention that the earth would have to rotate MUCH faster than it does now). It is also possible to calculate the amount of centripetal force on a person after moving around the earth. All evidence says that the centrifugal force (not a real force unless in a non-inertial frame of reference) decreases the weight of a person, meaning it is pulling upwards, making that "outwards" Of course then there's the fact that the sun sets at night, and we can physically see the curvature of the earth (and see the earth as a ball from outer space). And then there's the question. What in the world (pun, haha) would happen if you dug to the center?
Next, if even in the face of all this evidence you still believe hollow earth is correct, you can completely reject hollow earth through Occam's Razor (which states that when you have two theories with equally good predictive powers, chose the simpler one, in laymans terms). First off, you cannot use Euclidean geometry. If we are to believe that the INSIDE of the earth holds all of the galaxies and stars, that would mean that the distance to go through the universe either becomes drastically smaller, or we use non-Euclidean geometry (which is not incorrect in and of itself). In this case, the distance through the center is actually longer than a circumnavigation. You could not have a regular unit through your entire model (think of it like making a map of the world in an hourglass shape instead of the more common ellipse. Neither one is a perfect representation, but an elliptical projection is much easier to use) Next, you'd be left with left with a very garbled up version of Coperincus' theory. Not only that, but light can no longer travel in a straight line! At this point one is just playing with coordinate systems and is achieving very little. Through Occam's Razor, one must choose the traditional (which actually was not always the traditional. Flat earth anyone?), spherical earth model.
Of course as Yliakum is in a completely magical world, who knows what the gods decide, but I doubt that they would rearrange the universe for a single planet. The planet Yliakum is on is not THAT special. Speaking of which, what IS the name of the planet Yliakum is on?
-Mykentros