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The galaxy cluster ZwCl 0024+17
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- Title The galaxy cluster ZwCl 0024+17
- Released 16/05/2007 11:57 am
- Copyright NASA, ESA, M. Jee and H. Ford (Johns Hopkins University)
This image shows the galaxy cluster ZwCl 0024+17 (ZwCl 0024+1652) as seen by Hubble’s Advanced Camera for Surveys.
The image displays faint faraway background galaxies that had their light bent by the cluster's strong gravitational field. By mapping the distorted light and using it to deduce how dark matter is distributed in the cluster, astronomers spotted the ring of dark matter.
One of the background galaxies is located about two times further away than the yellow cluster galaxies in the foreground, and has been multiple-imaged into five separate arc-shaped components, seen in blue.