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Deep Lens Survey

(investigating mass distribution of the universe)

The Deep Lens Survey (DLS) was a survey of distant galaxies, with the aim of finding gravitational lensing, to assist in determining the universe's mass distribution. It was a photometric-based survey using four bands of seven 4-square-degree survey fields. It was carried out between 2001 and 2006 on the Mayall 4m Telescope at Kitt Peak and the Víctor M. Blanco Telescope at the Cerro Tololo Inter-American Observatory.

In addition to its cosmology aim, it discovered planetoids, comets, and supernovae.

(galaxies,gravitational lensing,cosmology,past)
DLSDLSCL J0916.2+2951Deep Lens Surveyclusters