Credits
http://www.unexplained-mysteries.com/forum/index.php?showtopic=78067
"-NASA's Wise Raises Doubt about Asteroid Family Believed Responsible for Dinosaur Extinction." ENP Newswire 21 Sept. 2011. Gale Science In Context. Web. 4 Jan. 2012.
http://www.sciencedaily.com/releases/2003/09/030915074538.htm
"-NASA's Wise Raises Doubt about Asteroid Family Believed Responsible for Dinosaur Extinction." ENP Newswire 21 Sept. 2011. Gale Science In Context. Web. 4 Jan. 2012.
http://www.sciencedaily.com/releases/2003/09/030915074538.htm