Credit: M. KORNMESSER/????/SCIENCE PHOTO LIBRARY

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Caption: Images of a distant galaxy distorted by the gravitational field of the galaxy cluster ZwCl0024+1652. The image of the galaxy has been distorted so that five images of it are seen, through a process known as gravitational lensing. By measuring the lensing effects, the gravitational field of the foreground cluster can be determined. This revealed a ring of dark matter around the cluster. The cluster lies some five billion light years away, with the galaxy twice that distance.

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Keywords: 10 seconds or greater, astronomical, astronomy, astrophysical, astrophysics, cl0024+17, dark matter, deep space, galactic, galaxies, galaxy, galaxy cluster, gravitational lensing, lensed, outer, relativity, science, scientific, space, study, zw cl0024+1652

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Gravitational lensing by dark matter

K002/7428 Rights Managed

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Duration: 00:00:20

Frame size: 768x576

Frame rate: 25

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Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 263.3M

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Codec: DV - PAL

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