Question

What If 2 Galaxies Collide with each other ?

And what Will happen?

Like Andromeda galaxy Is Colliding with Milky way
what Will Happen?
It Expands or Everything will destroy?​

Answer 1

Answer:

When you're wondering what happens when two galaxies collide, try not to think of objects smashing into each other or violent crashes. Instead, as galaxies collide, new stars are formed as gasses combine, both galaxies lose their shape, and the two galaxies create a new supergalaxy that is elliptical.

Explanation:

The result of the collision between Andromeda and the Milky Way will be a new, larger galaxy, but rather than being a spiral like its forebears, this new system ends up as a giant elliptical. The authors of the paper in question have named this new galaxy 'Milkdromeda'

Answer 2

Answer:

Explanation:

Although stars don't collide when two galaxies merge, the much larger gas clouds do. ... Shock waves from the collision run through the clouds and trigger the collapse of dark nebulae to form stars. Thus, if the two colliding galaxies are rich in gas, their merger will be accompanied by a burst of star formation.