The simplified Hartle-Hawking model gives one possible scenario for the universe tocome about naturally. In this picture, another universe existed prior to ours that tunneledthrough the unphysical region around t= 0 to become our universe. Critics will argue thatwe have no way of observing such an earlier universe, and so this is not very scientific.

Microsoft Word - OriginArXiv.doc - 0710.3137.pdf Saturday, September 14, 2013 @ 10:09pm