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R.B. Tully (University of Hawaii)
There is legitimate concern that the distribution of visible objects might be a poor reflection of the distribution of matter in the Universe. Evidence will be presented for factor 10 variations in the ratio of blue light to mass as a function of environment on group scales. Mass concentrations on scales of 1012 - 1013 have moderate values of M/L while values are substantially larger in mass concentrations that are either larger or smaller.
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Bulletin of the American Astronomical Society, 34, #4
© 2002. The American Astronomical Soceity.