Scientific American: Parallel Universes The

by phil on Monday Apr 14, 2003 10:39 PM

Scientific American: Parallel Universes The idea of such an alter ego seems strange and implausible, but it looks as if we will just have to live with it, because it is supported by astronomical observations. The simplest and most popular cosmological model today predicts that you have a twin in a galaxy about 10 to the 10^28 meters from here.