When they were discussing the number of planets, the number 9 was OK, being 3 squared (God would have made as many as he wanted, of course), but eight is better since it's the number of completion ... and now we see that there are eight planets.
In the 1950s Pope Pius said that we were all the children of two specific people, whom we call Adam and Eve. He was laughed at, but in the 1990s the biologists finished the study of the human genome and found ... that we are all descended from two unique individual persons.
I would suggest, from Catholic theology, that the number of dimensions of the physical world is 12, if you see a string theory which has 12 dimensions, bet on that.
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