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cosmology Archives

Filling the early universe with knots can explain why the world is three-dimensional

Oct. 13, 2017—Filling the universe with knots shortly after it popped into existence 13.8 billion years ago provides a neat explanation for why we inhabit a three-dimensional world. That is the basic idea advanced by an out-of-the-box theory developed by an international team of physicists.

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Life, Earth and Space Research


New model of cosmic stickiness favors “Big Rip” demise of universe

Jun. 30, 2015—A Vanderbilt team of scientists have developed a new formulation for cosmic viscosity which strongly favors the "Big Rip" end of the universe.

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Life, Earth and Space releases Research


Taking introductory astronomy beyond Jeopardy and Trivial Pursuit

Oct. 7, 2011—Astronomer David Weintraub has given introductory astronomy a “CSI” format by following the scientific evidence that gives us the age of the universe and has put this in a popular science book.

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Life, Earth and Space Research


Big Bang or Big Bounce?

Apr. 5, 2011—There is a new dark-horse entry in the cosmological sweepstakes. In the last 50 years, the Big Bang theory has gradually become the standard scientific model for how the universe began and has been written into the grade school science textbooks. That is because it has done an amazing job of explaining many of the...

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Research Research Blog


“Multiverse” subject of public lecture at Vanderbilt

Mar. 17, 2011—Well-known MIT cosmologist Alan Guth gives an invited lecture on the possibility that our universe is a multiverse that consists of a series of pocket universes each with different physical properties.

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