A Holey Cosmos!
Are we in a Wormhole?
A long time ago, in a universe much larger than our own, a giant star collapsed. Its implosion crammed so much mass and energy together that it created a wormhole to another universe. And inside this wormhole, our own universe was born. It may seem fantastic, but a theoretical physicist claims that such a scenario could help answer some of the most perplexing questions in cosmology. A number of facets about our universe don't make sense. One is gravity. Scientists can't construct a mathematical formula that unites gravity with the three other basic forces of nature: the strong and weak nuclear forces and electromagnetism. Another problem is dark energy, the mysterious phenomenon that seems to be expanding our universe at an accelerating rate, even though gravity should be contracting it or at least slowing the expansion.
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