Pic: New Scientist Birth of Universe Scientists define the Universe as absolutely everything that physically exists. But the Universe has not always existed. It is believed that the Universe was created by the Big Bang, when it started to grow from a tiny point that contained all the matter and energy. What was there before the Universe? No one knows. Some people think there was an unimaginable ocean, beyond space and time, of potential universe continually bursting into life or failing. Our succeeded. What was the Universe like at the beginning? The early universe was very small, but it contained all the matter and energy in the Universe today. It was a dense and chaotic soup of tiny particles and forces. But this original Universe lasted only a split second - just three trillionths of a trillionths of a trillionths of a second. Can we see the Big Bang? Astronomer can see the galaxies still hurting away from the Big Bang in all directions. They can also see the afterglow - low-level m
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