Thread: cosmological principle
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Old 30-July-2007, 06:23 PM
John Mendenhall John Mendenhall is offline
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Default Only a billion?
Quote:
Originally Posted by ngc3314 View Post

The Sloan and Australian 2dF redshift surveys appear to finally show the galaxy distribution running out of structure as one looks to scales larger than (mumbletymumble) a billion light-years or so. For some folks in the galaxy business, this brought relief, since data covering smaller volumes still allowed (in principle) fractal galaxy distributions for which the cosmologial principle wasn't a sure bet.
Hmm, I get it. A billion seemed too short until I realized that structure should disappear in large samples. Cool!
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