Small Magellanic Cloud Dark Matter (IMAGE)
Caption
The Small Magellanic Cloud (SMC), at center, is the second-largest satellite galaxy orbiting our own. This image superimposes a photograph of the SMC with one half of a model of its dark matter (right of center). Lighter colors indicate greater density and show a strong concentration toward the galaxy's center. Ninety-five percent of the dark matter is contained within a circle tracing the outer edge of the model shown. In six years of data, Fermi finds no indication of gamma rays from the SMC's dark matter.
Credit
Dark matter, R. Caputo et al. 2016; background, Axel Mellinger, Central Michigan University
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