Stars may not be so fine-tuned after all A change in nature's fundamental constants could still allow star formation.
Would stars light up the sky in other universes? It's often claimed that the fundamental constants of physics in our own Universe are exquisitely tuned to permit stars – and therefore life - to exist. But Fred Adams, an astrophysicist at the University of Michigan in Ann Arbor, now suggests otherwise... http://www.nature.com/news/2008/080728/full/news.2008.985.html Harry