Physics, 08.08.2019 20:30 fluffykitty21
Assume that the average galaxy contains 1011 msun and that the average distance between galaxies is 10 million light-years. calculate the average density of matter (mass per unit volume) in galaxies. what fraction is this of the critical density we calculated in the chapter?
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Assume that the average galaxy contains 1011 msun and that the average distance between galaxies is...
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