Gas Temperature/shock Mach Number Composite (IMAGE)

Gauss Centre for Supercomputing

Gas Temperature/shock Mach Number Composite

Caption

This is a composite which combines gas temperature (as the color) and shock mach number (as the brightness). Red indicates 10 million Kelvin gas at the centers of massive galaxy clusters, while bright structures show diffuse gas from the intergalactic medium shock heating at the boundary between cosmic voids and filaments.

Credit

Illustris Team

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