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 Originally Posted by oskar
Ongs mom is so fat, if you move past her at 0.99c there is no observable difference in circumference.

 Originally Posted by oskar
I guess circumference wouldn't change. What's a scientific word for fat? cross section area?
The circumference would change. The diameters of the Earth perpendicular to your direction of motion would not change. However, they wouldn't properly be diameters, since the Earth is not a sphere anymore, it's an ellipsoid. The semi-minor axis would be shorter than the 2 (equal) semi-major axes. So that one circumference which is the single biggest diameter and the only one which is a circle and not an ellipse - that one wouldn't change. All the rest of them would be shorter in length.
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Oh, and it's fat. The scientific word for fat is fat, unless you mean volume, density or mass.
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