Question

The Sun is approximately 25, 000 light years away from the centre of the Milky way and moves
around it, in an approximately circular path, in roughly 170 million years. Give that sunlight takes
approximately 8 min to reach the Earth, what is the ratio of the masses of the galaxy and the Sun?

(a) 1.5×10^12 (b) 1.5×10^11 (c) 5×10^11 (d) 5×10^10​

Answer 1

Answer:

1:1:1 ratio of masses of the galaxy and the sun