Hubble uncovered a missing ingredient in Dark Matter Theories


Dark matter This is about 85% of the matter in the universe. However, Dark Matter is famously elusive and cannot be directly experienced. Instead, its presence is cut through its gravitational bridge over the visible matter in space.

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Now, observations of a number of massive galaxy clusters by NASA’s Hubble Space Telescope and the European Southern Observatory’s Very Large Telescope (VLT) in Chile have revealed a mysterious mystical component to present the Dark Matter Theory. Astronomers have discovered that small-scale concentrations of dark matter in bunches measure how gravity distorts space, also known as the gravitational lensing effect, which is 10 times stronger than before.

Bologna at the National Institute for Astrophysics (INAF) Observatory and the Observatory for Astronomy and Astronomy, Italy, lead author of the study.

“We have tested very carefully in this study comparing simulations and data, and our finding of mismatch persists,” Menegaty continued. “One possible origin for this discrepancy is that we are missing some key physics in the simulation.”

“There is a feature of the real universe that we are simply not capturing in our current theoretical model. This may indicate a difference in our current understanding of the nature of dark matter and its properties, as these exquisite data gave us detailed investigation. Is allowed to do. Distribution of Dark Matter on the Smallest Scales, “Priyamvada Natarajan of Yale University in New Haven, Connecticut, is one of the team’s senior theorists.

Hubble’s images, combined with spectra from VLT, helped the team construct an accurate, high-fidelity dark-matter map that identified dozens of background galaxies. Better yet, by calculating lensing distortions, researchers can detect the amount and distribution of dark matter. Faction The paper Is published in the magazine Science.

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