Question

How our galaxy will end?

Answer 1

Here's a estimated answer for your question

Today our sun is half the age.

So when the sun will complete it's life

i.e die then it'll become a black hole and then it'll eat up all

the mass of our galaxy.

Answer 2

there are many theories about how our galaxy would end.but the most accepted is of Intergalactic collision.according to it scientists have predicted that in the next four million years , the Andromada galaxy would collide to our galaxy.