Big Bang Theory.   Most astronomers today will tell you that the Big Bang theory is “…99 percent certain”.  Some few very knowledgeable scientists will tell you “…not so fast, there are a lot of things wrong with that theory”.  The most recent is the Witt Theory.  The important thing for us who have day jobs is to understand what the Big Bang theory is…just so we can appreciate the mystery of it all.  As more and more discoveries are made the truth will become more clear.  But for now, the Big Bang theory is front and center.

For more detailed information check out the Tab above…Cosmic Events/the Big Bang.