Chalnoth
Senior Contributor
Well, not merely gravity. The statistical properties of the initial fluctuations are also important. Inflation sets those statistical properties. See the Millenium Simulation, for example, for how these beautiful structures can be produced from randomized initial conditions (as long as those initial conditions have the right statistical properties).the problem with this post is that you assert that the mere presence of gravity will organize billions of stars, and thousands of galaxies, in an orderly fashion.
This simulation, of course, isn't perfect, as it's a dark matter only simulation, but it gets the right large-scale behavior, such as the filamentary structures and clusters of galaxies.
Why would you think that the existence of such structures in general would be unexpected?Here's a question: HOW does gravity ORGANIZE trillions of stars into galaxies and galaxy clusters, which are so organized, they move and even rotate in predictable patterns?
All you're doing is saying "pfft, this is all just do to gravity." Well sir, if an undirected force can result in galaxies which move as one through the universe in a predictable speed, that is DUMB LUCK.
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