In the multiverse...stars burn black

摘要

Don't take our starry skies for granted. If you were unlucky enough to be living in some other universe, you might have nothing to stare at but black holes.rnAt least, that's the view of a new study that examines the nature of other universes that might support life and suggests that our cosmic habitat is nothing special after all - wondrously starry skies apart.rnThe idea that certain aspects of our universe make it uniquely suited to life has never been properly tested, says Fred Adams of the University of Michigan in Ann Arbor. "You hear people say our universe is fine-tuned for life, that stars are rare and couldn't form if certain things were different," he says. "The truth is, no one has done the calculations."rnAdams has now rectified that situation and found that it is not unusual for stars to form that can support life.