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Is the Strength of Gravity Too Strong?
If the strength of gravity happened to be a little stronger or a little bit weaker than it is, how different would our universe be onison? This is widely debated. But broadly speaking, if gravity were too strong, all else being equal, then things would collap ultimately into black holes very quickly. So you can change, you can change the universe such that you would not have life in the universe if you increased the strength ofgravity too much. And again, you probably don't have a living universe.