English Musket Ball Cluster Cited by user 65.94.171.126 on 22 Jul 2014 The Musket Ball Cluster (DLSCL J0916.2+2951) is a galaxy cluster that exhibits separation between its baryonic matter and dark matter components.
English Deep Lens Survey Cited by user 65.94.171.126 on 22 Jul 2014 The Deep Lens Survey (DLS, short for "Deep Gravitational Lensing Survey") is an ultra-deep multi-band optical survey of seven 4 square degree fields.