The sun orbits the centre of the galaxy Milky Way in almost

Last updated: 6/25/2023

The sun orbits the centre of the galaxy Milky Way in almost circular path of radius R in a period T and the earth also orbits the sun in an almost circular path of radius r in a period t Assume whole mass of the galaxy concentrated at its centre and find an expression for the ratio of the mass of the galaxy to that of the sun a R G T B L R t 3 T BA r a R TY