Awe-Inspiring Images Of Galaxies Colliding

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Our universe is always expanding, but thanks to the gravitational pull of neighboring stars, galaxies crash into each other in spectacular fashion. What happens when galaxies collide? The stars of each galaxy do not simply smash into each other and create space debris and stardust. Rather, the dust and gases of adjacent galaxies interact, creating shock waves that can birth new stars or black holes. Galaxies can even combine during an eventful collision, which can take millions of years to occur. 

Thanks to sophisticated technology like the Hubble Space Telescope, we may not be able to observe the entire process of collision and galaxy merging, but we do get some pretty dreamy photos of galaxies colliding. For those who love awesome pictures of space, enjoy the universe in action with these stunning photos of not worlds, but galaxies colliding.