Captain? Brace for Impact!

Our galaxy is on a crash course. However, ReallyRocketScience says we have time.

"Astronomers have predicted that
Andromeda and the Milky Way will collide in approximately 5 to 10
billion years. That collision will erase the separate identities of
each galaxy, leaving a single elliptical galaxy in their place."

http://feeds.feedburner.com/~r/ReallyRocketScience/~3/41883720/382