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In an article entitled Feedback on Galaxy Formation published in the September 6 edition of Science, Prof. Brian McNamara explains how supermassive black holes located in the nuclei of galaxies regulate the growth of their host galaxies and themselves.
Messier 87 is an example of a giant elliptical galaxy experiencing radio mode feedback. Stars are in white, x-ray atmosphere is in blue, and radio synchrotron emission is in red.
W. R. Forman et al., Astrophys. J. 665, 1057 (2007).
CREDIT: (X-RAY) NASA/CXC/CFA/W. FORMAN ET AL.; (RADIO) NRAO/AUI/NSF/W. COTTON; (OPTICAL) NASA/ESA/HUBBLE HERITAGE TEAM (STSCI/AURA), AND R. GENDLER
The University of Waterloo acknowledges that much of our work takes place on the traditional territory of the Neutral, Anishinaabeg and Haudenosaunee peoples. Our main campus is situated on the Haldimand Tract, the land granted to the Six Nations that includes six miles on each side of the Grand River. Our active work toward reconciliation takes place across our campuses through research, learning, teaching, and community building, and is centralized within our Indigenous Initiatives Office.