franco_vazza, 1 year ago

1. the Pandora’s cluster : Abell 2744
   https://it.wikipedia.org/wiki/Abell_2744
   it is a shrine of treasures for the study of clusters of galaxies, from gravitational lensing, to the study of material accreting to it via X-ray visibile filaments, to a multitude of radio diffuse emissions.
   https://www.nature.com/articles/nature16058

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