Climbing up the cosmic ladder

被引:0
|
作者
Ofer Lahav
机构
[1] University College London,Ofer Lahav is in the Department of Physics and Astronomy
[2] London WC1E 6BT,undefined
[3] UK. lahav@star.ucl.ac.uk,undefined
来源
Nature | 2009年 / 459卷
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摘要
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.
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页码:650 / 651
页数:1
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