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What is in a void?
Observations indicate there by present vast regions of space where there seems to be nothing. Called "voids" I think one has a size of some 500 million light years approx diameter.
My question is ...do "they" consider these regions as entirely devoid of all matter... not even a single H atom in these regions and only the energy that passes by as it traverses these void regions? Have these regions formed immediately after the big bang or were they formed over years as galaxies formed?
alex
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