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Computer simulation of galaxy formation

Computer simulation of galaxy formation


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Science Photo Library

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Computer simulation of galaxy formation

Galaxy distribution. Computer model showing the distribution of galaxies in an area 30 million light years across when the Universe was 35% of its present age. The galaxies are colour coded according to age: red are the oldest and blue the youngest. The model assumes that most of the matter in the Universe is in the form of cold dark matter (CDM). In the CDM scenario, galaxies form by a process of collisions and mergers; small and dense objects form first, and subsequent collisions create objects the size of galaxies. The galaxies are seen to cluster together in the form of filaments, as observed in the sky

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6426863

© PROF. GEORGE EFSTATHIOU/DAVID PARKER/ SCIENCE PHOTO LIBRARY

Cosmology Dark Matter Galaxy Formation Universe


EDITORS COMMENTS
This print showcases a computer simulation of galaxy formation, offering us a mesmerizing glimpse into the early stages of our Universe. Spanning an area 30 million light years across, this model represents a snapshot when the Universe was just 35% of its present age. The galaxies depicted in this simulation are color-coded to represent their respective ages: red symbolizes the oldest while blue signifies the youngest. This visual representation allows us to witness the evolution and progression of these celestial bodies over time. Based on the assumption that cold dark matter (CDM) constitutes most of the matter in our Universe, this model illustrates how galaxies form through collisions and mergers. Initially, small and dense objects emerge, gradually coalescing into larger structures resembling galaxies as subsequent collisions occur. One striking feature revealed by this simulation is how galaxies cluster together along filaments, mirroring what we observe in our own night sky. These filamentary structures highlight the intricate web-like nature of cosmic organization. As we delve deeper into understanding galaxy formation and unraveling mysteries surrounding dark matter's role in shaping our cosmos, images like these serve as invaluable tools for scientists and astronomers alike. They inspire awe while fueling curiosity about our place within this vast universe.

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