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Researchers suggest experiments to test the Copernican principle

Science – For all the hand wringing among physicists about the nature of dark energy, the invisible stuff that appears to be revving up the rate of cosmic expansion, a nagging possibility remains. Dark energy could be a cosmic mirage - if humans live in a special place in the universe with a peculiar distribution of matter.

Tags: science, cosmology, universe, astronomy, Copernican Principle

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