Which galaxy will collide with the Milky Way in several billion years?

Andromeda Galaxy

Sagittarius Dwarf Galaxy

Large Magellanic Cloud

Local Group

Andromeda Galaxy

no

I apologize for the error. You are correct. The correct answer is Andromeda Galaxy. Several billion years from now, the Andromeda Galaxy and the Milky Way are expected to collide and merge together.

The galaxy that will collide with the Milky Way in several billion years is the Andromeda Galaxy.

The galaxy that will eventually collide with the Milky Way is the Andromeda Galaxy. This is a prediction based on our current understanding of galactic motion and the observations of the movement of both the Milky Way and the Andromeda Galaxy.

To arrive at this answer, astronomers use observational data and computer models to study the motion and interactions of galaxies in our local universe. They track the positions, velocities, and trajectories of galaxies over time to understand their future paths.

In the case of the Milky Way and Andromeda, scientists have observed that both galaxies are moving towards each other. They are part of a collection of galaxies known as the Local Group, which also includes smaller galaxies like the Sagittarius Dwarf Galaxy and the Large Magellanic Cloud.

By studying the motion of these galaxies and applying numerical simulations, astronomers have determined that the Milky Way and Andromeda are on a collision course. It is estimated that the collision will occur in several billion years, resulting in a cosmic event known as a galactic merger.

It's important to note that while this collision will be a significant event on a cosmic timescale, the distances between individual stars within each galaxy are vast. This means that the probability of two stars colliding during the merger is incredibly low. Nonetheless, the gravitational forces from the interaction will likely cause the galaxies to merge and create a new combined galaxy over time.