News & AnalysisNOBEL PRIZE IN PHYSICS

Curious Cosmic Speed-Up Nabs Nobel Prize

Science  07 Oct 2011:
Vol. 334, Issue 6052, pp. 30
DOI: 10.1126/science.334.6052.30

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Summary

Thirteen years ago, two teams of astronomers and physicists independently made the same stark discovery: Not only is the universe expanding like a vast inflating balloon, but its expansion is speeding up. At the time, many scientists expected that the gravitational pull of the galaxies ought to slow the expansion down. Today, researchers from both teams shared the Nobel Prize in physics for that dramatic observation, which has changed the conceptual landscape in cosmology, astronomy, and particle physics.

  • * With reporting by Daniel Clery.

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