Caught in the Act?
arXiv:astro-ph/0408479
Abstract
Which came first, the stars and gas that make up a galaxy, or the giant black hole at its centre? Observations of a distant galaxy, caught as it forms, could help solve this chicken-and-egg problem.
5 pages, published in Nature as an invited News and Views article on a Letter by Weidinger et al.(astro-ph/0408478) in the August 26, 2004 issue