Pandora's Cluster – Abell 2744
Full Resolution Image Single HST ACS COSMOS Tile
Abell 1689 Hubble ACS/WFC
Galaxy Abell 1689's "Gravitational Lens" Magnifies Light of Distant...
Hubble Finds Dark Matter Ring in Galaxy Cluster
Hubble Helps Astronomers Map Dark Matter in Abell 1689
Searching for Dark Matter in a Galaxy Cluster
Dark Matter Map in Galaxy Cluster Abell 1689
Dark Matter Distribution in Supercluster Abell 901/902
Color Images of Quasar 1208+101Split by Gravitational Lenses
Visible-Light and X-Ray Composite Image of Galaxy Cluster 1E 0657-556
Visible-Light and X-Ray Composite Image of Galaxy Cluster 1E 0657-556
Giant Disk of Cold Gas and Dust Fuels Possible Black Hole at the Core...
Merging Galaxy Cluster Abell 520
Galaxy Cluster Abell 520 (HST-CFHT-CXO Composite)
Galaxy Cluster Abell 520 (CFHT and HST)
Galaxy Cluster Abell 520's Mass (HST WFPC2)
HST ACS/WFC Image of NGC 3021
Hubble and Chandra Composite of the Galaxy Cluster MACS J0025.4-1222
"Polar Ring" Galaxy NGC 4650A: A Disk of Red Stars Ringed...
Cosmic Evolution Survey - Dark Matter
Cosmic Evolution Survey - Visible (Baryonic) Matter
Galaxies Magnified by Galaxy Cluster Abell 1689's "Gravitational Lens"...
Galaxies Magnified by Galaxy Cluster Abell 1689's "Gravitational Lens"...
Galaxies Magnified by Galaxy Cluster Abell 1689's "Gravitational Lens"...
Galaxies Magnified by Galaxy Cluster Abell 1689's "Gravitational Lens"...
Galaxies Magnified by Galaxy Cluster Abell 1689's "Gravitational Lens"...
Galaxies Magnified by Galaxy Cluster Abell 1689's "Gravitational Lens"...
Galaxy Cluster MS1054-0321
Galaxy Cluster MS1054-0321
X-Rays Emanate From Heated Material Falling Into Black Hole
X-Rays Shine From Heated Material Falling Into A Black Hole
NGC 3021 NICMOS/ACS Detail 1
Abell 902
NGC 3021 NICMOS/ACS Detail 2
Bright Knot of Light From Supernova in Galaxy Cluster MS1054-0321
NGC 3021 NICMOS/ACS Detail 3
SW Group
Abell 901b
NGC 3021 NICMOS/ACS Detail 4
Abell 901a