Slide 1Cooling and Feedback in Early-Type Galaxies (and Groups) C. Jones, W. Forman, E. Churazov, P. Nulsen, R. Kraft X-ray emission from early-type galaxies = hot gas +…
Slide 1It can be powered by NUCLEAR ENERGY! Luminosity ~ 10 billion years Nuclear Potential Energy (core) E = mc 2 - Einstein, 1905 Slide 2 Gravitational contraction: Provided…