Alan Guth - Are There Multiple Universes?

Multiple universes? The idea sounds astounding. Our universe is immense by itself. How could there be more than one? How can scientists come to believe in more than one universe? What's more, multiple universes can be generated by radically different mechanisms. But what's a 'universe' anyway? The whole vast ensemble of universes is now called a 'multiverse'.

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Alan Harvey Guth is an American theoretical physicist and cosmologist. He is currently serving as Victor Weisskopf Professor of Physics at the Massachusetts Institute of Technology.

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