A galaxy has a visible mass of 10 Mo and a flat rotation curve extending to 25 kpe at the level of 150 kms ! What is the ratio of its dark matter mass to its visible mass ?
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Newtonian dynamics and gravitation A galaxy has a visible mass of 10 Mo and a flat rotation curve extending to 25 kpe at the level of 150 kms ! What is the ratio of its dark matter mass to its visible mass ?
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