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News Release Archive:

News Release 120 of 951

March 2, 2012 09:00 AM (EST)

News Release Number: STScI-2012-10

Dark Matter Core Defies Explanation in Hubble Image

All images from this news release:

Merging Galaxy Cluster Abell 520 Image Type: Astronomical Merging Galaxy Cluster Abell 520PRC2012-10a
Compass and Scale Image of Abell 520 Image Type: Astronomical/Illustration Compass and Scale Image of Abell 520