Because that is what our standard model of the universe tells us. It is due to the red shift of light showing that our universe is expanding away from a point. Now since we know time moves in a linear fashion, it is not hard to imagine that if we reverse this expansion, the whole universe is brought back to a tiny point commonly known as the "singularity". The real question is "how?" or "why?" this expansion happened.
It depends, because some might say 'scientists'. But not all scientists believe in this theory. Also, there are those who believe in a similar idea to the Big Bang, but it is not refered to as 'The Big Band Theory.'
sikhs do believe in the big bang theory. it was written in the guru granth sahib ji before scientists found out.
Some people believe God created the Earth, others believe in the Big Bang theory.
no
Implying that you believe in The Big Bang Theory then yes our "World" aka Earth was created from the products of The Big Bang.
The Big Bang Theory is a widly accepted theory in the scientific world because of the fact that it has less loopholes than others made to oppose it.I believe 1-2 loopholes are contained in The Big Bang Theory.
I believe in the big bang theory! God spoke and BANG! It happened.
the big bang theory
The Big Bang is just another theory.
There are nearly 18 million US viewers of Big Bang Theory episodes.
some people believe that God created the earth, and others believe that the Big Bang theory is right. people say it was jesus but not for sure.
The Big Bang Theory