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Contact: Christine Pulliam
cpulliam@cfa.harvard.edu
617-495-7463
Harvard-Smithsonian Center for Astrophysics

Illustris Composite

Caption: This composite image from the Illustris simulation is centered on the most massive galaxy cluster existing today. It morphs from concentrations of dark matter (at left in blue and purple) to normal matter made mostly of hydrogen and helium gas (at right in red, orange and yellow).

Credit: Illustris Collaboration

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