Uploaded January 2022 | Updated September 2026, 2 weeks ago

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The simulation shows four identical galaxies interacting gravitationally, exchanging stars and finally merging into a single elliptical galaxy.
Each galaxy initially contains 500k particles.

Computed with OpenSPH
pavelsevecek.github.io

Join the Discord server: discord.gg/K3D4pdXRG3

Simulation file: dropbox.com/s/6le7arr3veah8fz/galaxies.sph?dl=0
Original video: dropbox.com/s/zekri53mfy7utzb/render.mp4?dl=0