Supermassive black hole blasts out a neon 'treble clef' | Space photo of the day for Oct. 16, 2026
The "treble clef" galaxy cluster is an unusual source of radio waves, the Chandra X-ray observatory has found. (Image credit: X-ray: NASA/CXC/INAF-IRA/A. Botteon et al.; Infrared: UKIDSS-GPS ; Radio: ASTRON/LOFAR; Image processing…
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