Climbing up the cosmic ladder

Ofer Lahav
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Ofer Lahav: University College London, London WC1E 6BT, UK. lahav@star.ucl.ac.uk

Nature, 2009, vol. 459, issue 7247, 650-651

Abstract: Study of an under-appreciated subclass of stars that brighten and dim periodically brings to light their potential use as cosmic yardsticks — out to distances of a few hundred million light years.

Date: 2009
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DOI: 10.1038/459650a

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