NASA Announces Black Holes Found to be “Green”
“Astronomers using NASA’s Chandra X-ray Observatory will hold a media teleconference at 1 p.m. EDT Monday, April 24, to announce a fundamental discovery about black holes.”
The relation between accretion rate and jet power in X-ray luminous elliptical galaxies, arXiv.org e-Print archive
“Our results show that the black hole engines at the hearts of large elliptical galaxies and groups feed back sufficient energy to stem cooling and star formation, leading naturally to the observed exponential cut off at the bright end of the galaxy luminosity function.”
