Tag Archives: universe

Our Universe Might Be a Giant Three-Dimensional Donut

Imagine a universe where you could point a spaceship in one direction and eventually return to where you started. If our universe were a finite donut, then such movements would be possible and physicists could potentially measure its size. Examining … Continue reading

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The Big Bounce: An Alternative to the Big Bang Theory

Detailed computer simulations have found that a cosmic contraction can generate features of the universe that we observe today. Big Bounce Simulations Challenge the Big Bang by Charlie Wood | Quanta Magazine The standard story of the birth of the … Continue reading

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What Shape Is the Universe?

A provocative paper published in the journal Nature Astronomy argues that the universe may curve around and close in on itself like a sphere, rather than lying flat like a sheet of paper as the standard theory of cosmology predicts. … Continue reading

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