Penn Researchers Provide New Insight Into Dark Matter Halos

Professor Bhuvnesh Jain and Postdoctoral Fellow Eric Baxter surveyed the sky to find evidence that the dark matter halos surrounding galaxy clusters have a discernible edge. Analysis of a galaxy survey called the Sloan Digital Sky Survey has confirmed the reality of these edges through shifts in the distribution and colors of galaxies. Through their research, they are gaining a better understanding of the nature of dark matter.

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