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What is the predominating theory on the creation of the universe?
What is the Big Bang?
According to the theory, the universe was once in a extremely hot and dense state that expanded rapidly.
About how old is the universe?
According to recent measurements the universe is around 13.7 billion years old.
Who proposed what came to be known as the Big Bang Theory?
What is the Big Bang basic idea?
If the distance between galaxy clusters is increasing today, then everything must have been closer together in the past.
Does the Big Bang theory explain what happened before the Big Bang?
The Big Bang theory cannot and does not provide any explanation for such an initial condition; rather, it describes and explains the general evolution of the universe going forward from that point on.