2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/8096Which 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 issueAstrophysicstext