https://www.astronomy.com/science/the-beating-heart-of-ngc-4696-can-send-out-galaxy-sized-shockwaves/
The beating heart of NGC 4696 can send out galaxy-sized shockwaves
May 18, 2023 - This galaxy hosts a supermassive black hole with a pulse of 5 to 10 million years.
the beating heartngc 4696
https://esahubble.org/news/heic1013/
NGC 4696: a cosmic question mark | ESA/Hubble
12-Aug 2010 Curling around itself like a question mark, the unusual looking galaxy NGC 4696 itself begs many questions. Why is it such a strange shape? What...
ngc 4696question markcosmicesahubble
https://esahubble.org/images/heic1621b/
Wide-field image of NGC 4696 (ground-based image) | ESA/Hubble
Wide-field image of NGC 4696 (ground-based image)
wide fieldimage ofngc 4696ground basedesa