Cosmic Himalayas Quasar Cluster Defies Explanation (IMAGE)
Caption
The densest cluster of supermassive black holes identified in the Universe. The background image was taken by Hyper Suprime-Cam on the Subaru Telescope. The red and blue shadows represent the density of the supermassive black holes (quasars) and the surrounding hundreds of young, star-forming galaxies, respectively. The white squares frame the quasars, and the larger squares show close up images.
Credit
Credit: Subaru Telescope / SDSS, Liang et al.
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