The Andromeda and Milky Way Galaxies are predicted to face a massive collision in the near future. As Scary as it sounds this massive collision of Andromeda and Milky Way would bring complete destruction and deformation of two giant spiral galaxies.

Andromeda is the nearest known spiral galaxy located in the northern sky at the distance of 2.5 million light-years from our planet. This galaxy contains dense clusters of stars marked by the group of bright stars in the northern sky visible by naked eye (This is in fact, the longest distance visible object in space)

what happen if andromeda collides with milky way
Andromeda as looking from earth

Galactic Collison between Andromeda and Milky Way:

Spiral Galaxies spins at very high Speeds.

Our Milky Way galaxy is one of these spinning structures and its entire disc of stars, gas and dust is rotating at around 168 miles per second.

Similarly, Andromeda Rotates at a very high speed of 301 km per second. The galaxies will move in the space at this speed with millions of planets rotating inside.

If you don’t have any idea of how we are moving inside the moving galaxy, the below video will help you can visualize that:

Due to the unending spin of the galaxies, they tend to move in a certain predictable pattern.

Analyzing this pattern gives us the scary news that, both the super-massive spiral galaxies, approaching each other at a higher speed of 110 km per second will eventually collide with one another in another 3.5 Billion years.  In 2012, researchers concluded that the collision is sure using Hubble to track the motion of stars in Andromeda.

What will happen if Andromeda and Milky Way Collides?

The important question here is what will be the result of this collision between Andromeda and Milky Way. Will it be the end of world and mankind? Will the sun and the solar system get disappear after this massive collision of Andromeda and Milky Way?

The Researchers of NASA gives the surprising these predictions:

  • Even though the  Andromeda Galaxy contains about 1 trillion (1012) stars and the Milky Way contains about 300 billion (3×1011), the chance of even two stars colliding is very small, because of the huge distances between them.
  • A likely outcome of the collision is that the galaxies will merge to form a giant elliptical galaxy or perhaps even a large disc galaxy.
  • The fate of the Earth and the Solar System in the event of a collision is currently unknown
  • Before the galaxies merge, there is a small chance that the Solar System could be ejected from the Milky Way or join the Andromeda Galaxy.
  • There is a possibility of few planets and stars swallowed by the Super massive Black Hole formed at the center of the galaxy.

The NASA released the below video, to show how the two galaxies will collide with each other to form a single giant galaxy.

This collision may end the world and human lives or may create a new world for us in a newer galaxy.

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