June 9, 2016

Galaxy cluster MACS J0416.1–2403 with dark matter map

MACS J0416.1–2403

This is a NASA/ESA Hubble Space Telescope image of the galaxy cluster MACS J0416.1–2403. 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.

Image Credit: NASA, ESA, D. Harvey (École Polytechnique Fédérale de Lausanne, Switzerland), R. Massey (Durham University, UK) and HST Frontier Fields
Explanation from: https://www.spacetelescope.org/images/heic1506e/

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