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Where is the center of the universe?

  • Written by Rob Coyne, Teaching Professor of Physics, University of Rhode Island
imageIn space, there are four dimensions: length, width, height and time.scaliger/iStock/NASA via Getty Images Plus

About a century ago, scientists were struggling to reconcile what seemed a contradiction in Albert Einstein’s theory of general relativity.

Published in 1915, and already widely accepted worldwide by physicists and mathematicians,...

Read more: Where is the center of the universe?

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