NGC 6240 galaxy crash
NGC 6240 as seen with ALMA (top right) and the Hubble Space Telescope (combined image on the left and zoomed in on the bottom right). In the ALMA image, the molecular gas is blue and the black holes are the red dots. The ALMA image provides the sharpest view of the molecular gas around the black holes in this merging galaxy.
Credit: ALMA (ESO/NAOJ/NRAO), E. Treister; NRAO/AUI/NSF, S. Dagnello; NASA/ESA Hubble
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