Simulation of Galaxies and Gas in the Universe (IMAGE)

W. M. Keck Observatory

Simulation of Galaxies and Gas in the Universe

Caption

Within the gas in the (blue) filaments connecting the (orange) galaxies lurk rare pockets of pristine gas -- vestiges of the Big Bang that have somehow been orphaned from the explosive, polluting deaths of stars, seen here as circular shock waves around some orange points.

Credit

TNG COLLABORATION

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