The name “Eris” for a galaxy simulation has always made me think of that animated movie Sinbad, and this one scene where the goddess Eris is “bathing” in a spiral galaxy. Anybody else? Just me? Okay.

Density profiles for the center regions of four galaxy simulations. The location of maximum dark matter density is marked by a filled circle. The Eris simulation (blue curve) has its dark matter peak offset much further from the dynamical center than the other three simulations.

Density profiles for the center regions of four galaxy simulations. The location of maximum dark matter density is marked by a filled circle. The Eris simulation (blue curve) has its dark matter peak offset much further from the dynamical center than the other three simulations.

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