... scientist has found that all matter in the universe seemed to have came from the same spot. This spot they call it the "primeval fireball" which must have been very hot and extremely dense, and it eventually exploded which was the big bang. Gas clouds eventually gathered and their gravity pulled them together and this would eventually become a planet or a star ... depending on the mass of the cloud. Inside the star it was very hot and fusion was able to take place forming the many different elements that exist. There are two theories of what will happen to the universe in the future. Th...

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