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Mathematicians Explain The Universe’s Expansion Without Dark Matter

Sabine Hossenfelder

šŸŒŽ Get an exclusive 15% discount on Saily data plans! Use the code SABINE at checkout. Download the Saily app or go to: https://saily.com/sabine ⛵ About 25 years ago, astrophysicists noticed that the universe’s expansion is accelerating. To account for this observation, physicists came up with a new type of energy – called dark energy – which supposedly makes up more than 75% of the universe, and also has negative pressure. In a new paper, mathematicians claim that dark energy isn’t needed to explain that accelerating expansion, and physicists have been barking up the wrong tree for decades. L