Galaxy Collisions: Simulation vs Observations - NASA Science

Andromeda/Milky Way collision (simulation) on Make a GIF

Simulation of Two Galaxy Clusters Colliding - NASA Science

Simulating Galaxies

Galactic Collision Simulation - NASA Science

Hubble, America's space telescope

Gaze at Galaxies with NASA's Hubble Space Telescope

Take a virtual voyage with the Hubble Space Telescope to see galaxies as they appeared billions of years ago, when they were still in the process of forming. Originally released as an IMAX film, "Hubble: Galaxies Across Space and Time" was named "Best Short Film" of 2004 by the Large Format Cinema Association. Credits: https://fal.cn/3lPhn | Hubble Space Telescope