Dark Energy Survey reveals most accurate measurement of dark matter structure in the universe

  • New result rivals precision of cosmic microwave background measurements, supports view that dark matter and dark energy make up most of the cosmos
  • Researchers from Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT) , el Institut de Ciències de l'Espai (IEEC-CSIC) , el Institut de Física d'Altes Energies (IFAE) and el Instituto de Física Teórica (UAM-CSIC) have contributed to the result

DES scientists unveil the most accurate measurement ever made of the present large-scale structure of the universe. These measurements of the amount and "clumpiness" (or distribution) of dark matter in the present-day cosmos were made with a precision that, for the first time, rivals that of inferences from the early universe by the European Space Agency's orbiting Planck observatory. The new DES result is close to "forecasts" made from the Planck measurements of the distant past , allowing scientists to understand more about the ways the universe has evolved over 14 billion years.

Most notably, this result supports the theory that 26 percent of the universe is in the form of mysterious dark matter and that space is filled with an also-unseen dark energy, which is causing the accelerating expansion of the universe and makes up 70 percent.


Link to press release in Spanish

Link to press release in Catalan

Link to press release in English

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