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Intracluster light in Abell S1063

Intracluster light in Abell S1063

Date: 19 December 2018
Satellite: Hubble Space Telescope
Depicts: Abell S1063
Copyright: NASA, ESA, and M. Montes (University of New South Wales, Sydney, Australia)

Abell S1063, a galaxy cluster, was observed by the NASA/ESA Hubble Space Telescope as part of the Frontier Fields programme. The huge mass of the cluster – containing both baryonic matter and dark matter – acts as cosmic magnification glass and deforms objects behind it. In the past astronomers used this gravitational lensing effect to calculate the distribution of dark matter in galaxy clusters.

A more accurate and faster way, however, is to study the intracluster light (visible in blue), which follows the distribution of dark matter.

Last Update: 1 September 2019
21-Jun-2024 01:17 UT

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