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Galaxy cluster Abell 2744 with dark matter map

Galaxy cluster Abell 2744 with dark matter map

Date: 25 March 2015
Satellite: Hubble Space Telescope
Depicts: Abell 2744
Copyright: See below

This is a NASA/ESA Hubble Space Telescope image of the galaxy cluster Abell 2744. Shown in blue on the image is a map of the dark matter found within the cluster. This cluster was part of a study of 72 galaxy cluster collisions which determined that dark matter interacts with other dark matter even less than previously thought.

Credit: NASA, ESA, D. Harvey (École Polytechnique Fédérale de Lausanne, Switzerland), R. Massey (Durham University, UK), ESO and D. Coe (STScI), J. Merten (Heidelberg/Bologna)

Last Update: 1 September 2019
20-Jul-2024 09:28 UT

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