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News Release Archive:

News Release 321 of 959

May 15, 2007 01:00 PM (EDT)

News Release Number: STScI-2007-17

Hubble Finds Ring of Dark Matter

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Video still: Simulation of Two Galaxy Clusters Colliding - Still 1

About this Image

Beginning of simulation.

Credit: NASA, ESA, and G. Bacon (STScI)