A clash of clusters provides another clue to dark matter

Wednesday, August 27, 2008 - 10:35 in Physics & Chemistry

New Hubble and Chandra observations of the cluster known as MACSJ0025.4-1222 indicate that a titanic collision has separated dark from ordinary matter. This provides independent confirmation of a similar effect detected previously in a target dubbed the Bullet Cluster, showing that the Bullet Cluster is not an anomalous case.

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