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The world-famous physicist and cosmologist Stephen Hawking an important paper before he last week. Professor Hawking died on March 14, aged 76. Two weeks before his death, he published his final theory in a paper "A Smooth Exit from Eternal Inflation". He two very important ideas. The first how humans might able to multiverses. These are parallel universes that were at the same time as our universe after the Big Bang. The second theory is about how our universe will eventually , when the stars finally run out of energy. Scientists say his paper could be his most important work ever, and that he could have a Nobel Prize for it.

Stephen Hawking's new paper by explaining an older theory of his called inflation. This is when our universe suddenly from a tiny point in space into the billions of stars and solar systems we today. Hawking suggested there were an infinite number of big bangs and each of them its own separate universe. He this collection of universes a multiverse. Hawking that he believed scientists could find the multiverse by sensors on space ships. Carlos Frenk, a professor of cosmology, said: "These ideas offer the breathtaking prospect of evidence for the existence of other universes." Hawking also famous for his best- book "A Brief History of Time".

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