![How did our Universe first begin?. The Big Bang Theory According to the Big Bang theory, the universe expanded from an extremely dense and hot explosion. - ppt download How did our Universe first begin?. The Big Bang Theory According to the Big Bang theory, the universe expanded from an extremely dense and hot explosion. - ppt download](https://images.slideplayer.com/21/6243984/slides/slide_2.jpg)
How did our Universe first begin?. The Big Bang Theory According to the Big Bang theory, the universe expanded from an extremely dense and hot explosion. - ppt download
If time started with the Big Bang, how will we define time if we discover before the big bang? - Quora
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Big Bang didn't start our universe, there was another universe before it: Nobel laureate Roger Penrose - SCIENCE News
![Q: How can we see the early universe and the Big Bang? Shouldn't the light have already passed us? | Ask a Mathematician / Ask a Physicist Q: How can we see the early universe and the Big Bang? Shouldn't the light have already passed us? | Ask a Mathematician / Ask a Physicist](https://www.askamathematician.com/wp-content/uploads/2012/06/thenandnow.jpg)