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March 30, 2017

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What explains the observation that galaxy clustering is stronger at higher redshifts, which is an apparent reversal of the trend out to about z ~ 1?
It is difficult to measure peculiar velocities
Rich clusters have more galaxies than poor clusters
Density contrast seems to grows in time
At higher redshifts, galaxies become very biased tracers of mass

  • Cosmology - ,

    Prof Djorgovski explains this in Module 10.2, starting at about 09:30 Try learning

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