Hydrogen wisps reveal dark energy

Tamara M. Davis ()
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Tamara M. Davis: Tamara M. Davis is in the School of Mathematics and Physics, University of Queensland, Brisbane 4072, Australia.

Nature, 2013, vol. 498, issue 7453, 179-180

Abstract: Traces of hydrogen gas, detected over vast regions of space, have for the first time been used as a standard ruler to measure dark energy — the unknown cosmic energy that is causing the Universe's expansion to speed up.

Date: 2013
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DOI: 10.1038/498179a

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