Nemesis: Does the Sun Have a 'Companion'?
SPACE dot COM | 03 April 2001 | By Robert Roy Britt
Posted on 02/10/2003 2:03:23 PM EST by vannrox
http://www.freerepublic.com/focus/f-news/839980/posts
http://www.space.com/news/nemesis_010410.html
I thought the "Cambrian Explosion" was supposed to have happened 600 million years ago, not 400. Who changed the dates?