"The Big Bang Theory" seems like an innocent show about lovable nerds, but it's actually pretty provocative at times. For ...

The expansion of the universe means that waves emitted from them are stretched out, so light that was emitted at visible wavelengths actually reaches us in the infrared. The name "Big Bang Theory ...

But LeMaitre used Hubble's dramatic discovery as evidence for his theory. It was easy. If you imagined the galaxies rushing away from us as a movie ... named his theory "big bang." ...