What happens when two galaxies collide? What would happen and what are the chances that our galaxy will collide with another?

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What happens when two galaxies collide? What would happen and what are the chances that our galaxy will collide with another?

In: Physics

7 Answers

Anonymous 0 Comments

We will collide with another galaxy. But much like atoms, galaxies are mostly empty space. So the odds of individual objects, (planets, solar systems) hitting each other, are minimum. Not that it won’t happen, but not for the majority.

Anonymous 0 Comments

The chance our galaxy will collide with another is 100%. We are heading directly for our neighbouring spiral galaxy, Andromeda, and will collide with it in around 4.5 billion years.

When galaxies collide they essentially pass straight through one another and out the other side. A few unlucky solar systems may be disrupted but the vast majority will have no ill effects and one hell of a beautiful night sky. After the initial pass through, gravity will reverse the motion and they’ll pass through again, and again, and again, in a vast, cosmically slow dance… each time slowing a little more until eventually they stabilize into one larger galaxy.

Anonymous 0 Comments

Milky Way is going to collide with Andromeda… billions of years from now. [Here’s a simulation of it.](https://www.youtube.com/watch?v=qnYCpQyRp-4)

The Solar System should survive because space is so much empty distance, with stars just dots.

Anonymous 0 Comments

Galaxies colliding all the time. Normally the space between stars in each galaxy allows for almost no stars to collide with each other. I’m sorry I dont know the numbers off the top of my head. During this process the galaxies form an almost pretzel like shape.

The milky way galaxy in a short time for galaxies ( billions of years) is going to collide with the much larger andromeda galaxy. If you could see andromeda with no milky way stars in the way it would appear about 2 times the size of the moon.

Anonymous 0 Comments

We are going to collide with Andromeda.

It will melt the galaxies and we will be in a “bigger galaxy”. We don’t know about Earth is going to have life for when that time occurres because is not something is going to happen soon.

Anonymous 0 Comments

There’s a 100% chance that our galaxy is in fact going to *merge* (collide isn’t necessarily the correct term) with the Andromeda galaxy in a few billion years.

As for what happens when galaxies merge? Not a whole lot, actually. Galaxies are mostly empty space, so there’s almost no chance that anything will actually collide. Some stars might be ejected from the new galaxy, but mostly, the 2 galaxies will just merge to form one larger galaxy, and any life that might exist in that galaxy at that time won’t notice anything except the slow change in the night sky over millions of years.

Anonymous 0 Comments

no chance involved

the Milky way will collide with Andromeda in a few billion years

but it wont actually mean anythnig for us because there is much empty space that overlap iis unlikely(evne if it was in that timeframe, our sun likely dies out 1st)