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Galactic Collision Simulation (GCS)

Modeling the dynamic merger of galaxies to understand cosmic evolution and structure.

An artistic illustration depicting two majestic spiral galaxies in space. The foreground galaxy radiates a warm, golden light from its core and arms, while the background galaxy features cooler, blue-glowing spiral arms.
Description:

The Galactic Collision Simulation project utilizes state-of-the-art supercomputers to model the monumental mergers of galaxies. By simulating the complex interplay of gravitational forces, gas dynamics, and dark matter, our researchers can visualize these cosmic events over billions of years. This computational astrophysics initiative provides critical insights into galaxy evolution, the triggering of massive star formation bursts (starbursts), and the growth of supermassive black holes. The GCS project is essential for testing our theoretical models against observational data from deep-sky surveys, advancing our understanding of the universe's large-scale structure.

Publications from Galactic Collision Simulation (GCS)

Artistic visualization of an active galactic nucleus showing a supermassive black hole with a bright accretion disk, twin relativistic jets, and swirling star-forming galaxies around it.

January 8, 2026

SMBH Feedback in Early Universe Galaxy Mergers

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Artistic visualization of a black hole stretching and consuming a bright neutron star, with spiraling accretion streams and strong gravitational lensing distorting background galaxies in deep space.

December 27, 2025

Black Hole–Neutron Star Merger Dynamics

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Two bright spiral galaxies in deep space merging together, their glowing central cores and overlapping disks surrounded by scattered stars and distant galaxies.

December 26, 2025

Simulating the Milky Way–Andromeda Merger

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Two bright spiral galaxies in deep space colliding and forming a luminous bridge of stars, gas, and dust against a dark star-filled background.

December 20, 2025

Galaxy Mergers and Cosmic Evolution

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Two spiral galaxies, one with prominent golden arms and the other with a reddish-pink hue, engage in a gravitational interaction against a backdrop of distant stars in space.

August 14, 2025

The Impact of Galactic Mergers on Star Formation Efficiency: A Comparative Simulation Study

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An oblique view of a majestic barred spiral galaxy, its central core glowing with golden light while its sweeping arms are filled with blue stars and dark cosmic dust lanes.

August 11, 2025

Milkomeda in the Making: A High-Resolution N-Body Simulation of the Milky Way-Andromeda Merger

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FAQs about Galactic Collision Simulation (GCS)

It's a research project that uses powerful supercomputers to create virtual models of galaxies smashing into each other. These simulations help us understand what happens when these massive cosmic structures collide over millions of years.

Real-life galaxy collisions happen too slowly for us to watch. By simulating them, we can speed up time and test our theories of gravity and galaxy evolution to see how these mergers create the larger galaxies we observe in the universe today.

The GCS treats stars, gas, and dark matter as millions of individual particles. The computer then calculates the gravitational forces between all of them over and over, allowing us to watch how the galaxies' shapes are distorted and how they eventually merge.

The main goal is to understand how galaxy mergers trigger bursts of new star formation and feed the supermassive black holes at their centers. It also helps explain how spiral galaxies, like our Milky Way, can merge to become giant elliptical galaxies. 🌠