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Is Dark Energy an Illusion?

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“If it’s right, somebody is going to have to take back Nobel prizes” awarded in 2011 for the discovery of the accelerating expansion of the universe, says Nick Kaiser, a cosmologist at the University of Hawaii in Honolulu. Tom Giblin, a computational cosmologist at Kenyon College in Gambier, Ohio, who has worked on a similar analysis, says, “I would love if inhomogeneities explained dark energy.” However, he says, “I don’t see any evidence from our simulations to expect it to be as big an effect as they see here.”