INTRODUCTION:
EVIDENCE TO SUPPORT THE BIG BANG


http://openhighschoolcourses.org/pluginfile.php/7241/mod_page/content/1/stephen_quintet_goddard_photo_and_blog_revised.jpg
Cluster of galaxies called "Stephen's Quintet." Photo courtesy of
Last modified: Wednesday, 7 September 2011, 4:20 PM