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Reply to What if the Earth was Hollow? in WinCustomize Talk WinCustomize Forums

to the original comment, the earth could never be hollow due to gravity. The center of the earth is said to be formed from a great compression of particles, moreover when particles are compressed their energies are in essence combined due to molecular weights and solubility coefficients of the various particles. Therefore you have molecular particles with varying degrees of solubility coefficients combining, and when particles combine in huge masses