Unraveling the Mysteries of Abell 2218 Cluster through Mass Mapping Models

Jun 29, 2025

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Explore the Abell 2218 cluster with its mass map revealing the interplay of dark matter and luminous matter, observed through HST and ground-based studies. Discover the unique lensing effects and the gravitational influence of dark matter in this astronomical masterpiece.

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Unraveling the Mysteries of Abell 2218 Cluster through Mass Mapping Models

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Spherical lens Einstein ring Elongated lens Einstein cross Lens = cluster Arcs and arclets Abbell 2218 cluster
Mass map of galaxy cluster Cl0024+1654 • Superposition of 2 images • Blue = dark matter map • Light = luminous matter map • Red dots = galaxies in cluster • HST and ground based observations + mass mapping models • Dark matter is present where galaxies clump together = ‘glue’