Definition: Big Bang Theory; An astronomy theory that says the Universe began with a super-powerful explosion. Georges-Henri Lemaitre is called by some, the father of the Big Bang Theory.
See Also: Big Bang Theory
Big Bang Theory
From Nick Greene, for About.com
Big Bang Theory Books
The Big Bang TheoryBig BangBig Bang: The Origins Of The Universe
Big Bang Theory Related Resources
Return to About Astronomy & Space Online DictionaryGeorges-Henri Lemaitre BiographyThe Big Bang Theory
Explore Space / Astronomy
Must Reads
About.com Special Features
How to Ace the GRE
Being well prepared is the first step; here are more essential suggestions. More >
The Business School Lowdown
Everything from choosing a school and applying, to employment after graduation. More >
©2009 About.com, a part of The New York Times Company.
All rights reserved.