NASA/ESA: New Hubble Data Suggests There is an Ingredient Missing from Current Dark Matter Theories

Observations by the NASA/ESA Hubble Space Telescope and the European Southern Observatory’s Very Large Telescope (VLT) in Chile have found that something may be missing from the theories of how dark matter behaves. This missing ingredient may explain why researchers have uncovered an unexpected discrepancy between observations of the dark matter concentrations in a sample of massive galaxy clusters and theoretical computer simulations of how dark matter should be distributed in clusters. The new finding indicates that some small-scale concentrations of dark matter produce lensing effects that are 10 times stronger than expected.



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