Galaxy Cluster Abell 2125
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Galaxy Cluster Abell 2125

August 14, 2004
Chandra's image of the galaxy cluster Abell 2125 reveals a complex of several massive multimillion-degree-Celsius gas clouds in the process of merging. Ten of the point-like sources are associated with galaxies in the cluster, and the rest are probably distant background galaxies. The small bright feature in the extreme lower right-hand corner is probably a background galaxy cluster not associated with Abell 2125. The bright gas cloud on the upper left is the core of the cluster and envelopes hundreds of galaxies. It consists of several elongated clouds that are merging. Chandra, Hubble Space Telescope, and Very Large Array radio telescope data show that several galaxies in the Abell 2125 core cluster are being stripped of their gas as they fall through surrounding high-pressure hot gas. (See C153 image). This stripping process has enriched the core cluster's gas in heavy elements such as iron.

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