a trip to the unknown - May 2014 | Page 32

Sources

http://space.about.com/od/astronomybasics/a/Origin-Of-The-Universe.htm

http://www.infoplease.com/cig/theories-universe/scientific-origins-universe.html

http://science.nationalgeographic.com/science/space/universe/origins-universe-article/

http://discovermagazine.com/2008/apr/25-3-theories-that-might-blow-up-the-big-bang