According to your work,when two galaxies collide, they will merge into a single object in a long period. How does it

According to your work,when two galaxies collide, they will merge into a single object in a long period. How does it related to our earth and will it happen to our galaxy?

Posted on June 18, 2015 by in Question. Comments Off on According to your work,when two galaxies collide, they will merge into a single object in a long period. How does it