Physics, 02.12.2019 21:31, andy18973

Acluster of galaxies has a radius of about 5.1 million light-years (4.8 × 1022 m) and an intracluster medium with a temperature of 6 × 107 k.
(a) estimate the mass of the cluster. give your answer in both kilograms and solar masses.
(b) suppose that the combined luminosity of all the stars in the cluster is 8 × 1012 lsun. what is the cluster’s mass-to-light ratio?

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Acluster of galaxies has a radius of about 5.1 million light-years (4.8 × 1022 m) and an intracluste...