Let us assume that our galaxy consists of 2.5 x× 10^(11) stars each of one solar mass. How long will a star at a distance of 50,000 ly from the galactic centre take to complete one revolution? Take the diameter of the Milky Way to be 10^(5) ly.

Let us assume that our galaxy consists of 2.5 x× 10^(11) stars each o

1.	Let us assume that our galaxy consists of 2.5 x× 10^(11) stars each of one solar mass. How long will a star at a distance of 50,000 ly from the galactic centre take to complete one revolution? Take the diameter of the Milky Way to be 10^(5) ly.
Answer» SOLUTION :`3.54 ×x 10^(8)` YEARS.