Redshift surveys have been a common means by which this has been accomplished with some of the most famous including the 2dF Galaxy Redshift Survey, the Sloan Digital Sky Survey, and the upcoming Large Synoptic Survey Telescope.
cosmology | observational learning | Cosmology | Plane (cosmology) | Religious cosmology | Observational learning | Observational error |
The Cavendish Astrophysics Group, concentrating on radio and submillimetre observations and instrumentation, observational cosmology and all aspects of astronomical interferometry, and operating the Mullard Radio Astronomy Observatory.