Intracluster_light_in_Abell_S1063.jpg
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Summary
Description Intracluster light in Abell S1063.jpg |
English:
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.
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Date | |
Source | https://www.spacetelescope.org/images/heic1820a/ |
Author | NASA, ESA, and M. Montes (University of New South Wales, Sydney, Australia) |
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