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There are hints that dark energy may be getting weaker
The standard model of cosmology says that the strength of dark energy should be constant, but tentative hints are emerging that it may have weakened recently
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The standard model of cosmology says that the strength of dark energy should be constant, but tentative hints are emerging that it may have weakened recently
Scars of collisions with other universes could show up in radiation from the big bang. A new experiment aims to mimic these collisions and help us look for them