[About the Big Bang:]

A collision of that magnitude would be the biggest destructive force that has ever been suggested. Any organisms existing on any bodies in discussion would be wiped out. Furthermore, a collision of that size would not produce spherical masses, nor could less spherical masses be smoothed out over the years, as there is no friction in space.

[sorry, the url to the post requires paid registration, but you're not missing much- he was laughed out of the thread immediately]