The most essential cosmological principles The universe up to present time has undergone an initiation period and six Big Bangs; Allah created the skies and the Earth in six days, but Western scientists still talk about the most recent Big Bang; they know nothing about the previous five Big Bangs. The time laps between each two Big Bangs based on Earth calendar is 18 billion two hundred and fifty million years; about 13 billion six hundred and eighty-seven million years have passed since the Big Bang, and there are about four billion five hundred and sixty-three million years left until the end of the universe and the galaxies.