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Well ... they don't really collide - because a galaxy consists mostly of empty space.
What does happen is that their gravitational fields overlap and the two merge into one. Possibly holding the shape of the dominant of the two, but also possibly forming a new shape altogether.
What else can I help you with?
What happens when two spiral galaxies collide with each other?
You tend to end up with irregular galaxies
What is one way that an elliptical galaxy differs from the other types of galaxies?
Elliptical galaxies are large blob shaped galaxies that most galaxies will eventually look like. Elliptical galaxies are what happens when two or more large galaxies collide and coalesce.
What happens if 10 galaxies collide into each other at the same timeHow big would the supernova be?
When galaxies "collide", the individual stars do not actually smash together; they're far enough apart that they mostly slip past each other.
Do galaxies ever meet?
Yes. Galaxies do sometimes collide.
What force draws two galaxies towards each other?
The force that draws two galaxies towards each other is gravity. The gravitational force between the two galaxies pulls them towards each other and can cause them to collide or interact.
What is a merging galaxy?
Not "a" merging galaxy - merging galaxies. Sometimes two (or even more) galaxies collide, and eventually combine (i.e., "merge") into a single galaxy.
When will Andromeda Galaxy collide?
The Milky Way galaxy and the Andromeda galaxy are moving towards each other that a rate that will make them "collide" in about three and a quarter billion years. "Collide" is in quotes, because galaxies are mostly empty space, so it's fairly unlikely that any of the individual stars making up the two galaxies will physically touch as a result of the "collision"; instead, the two galaxies will just merge into a larger one.
What are two mechanics that cause the number of stars in a galaxy to increase?
One way to increase the number of stars in a galaxy is for the two galaxies to collide.
What are two mechanisms that cause the number of stars in the galaxy to increase?
One way to increase the number of stars in a galaxy is for the two galaxies to collide.
What happens when two contients collide?
Earthquakes and mountain building.
What happens when two suns collide?
a big explosion occors
What happens when two continental places collide?
mountains are formed
