Change: The second is the Sloan Digital Sky Survey, a more top down approach which compiles data from a single observing instrument (more or less). What's interesting about this project is that it is managed, complete with a scientific council and spokesperson, governing body, and publication policy.Finally, there   View changes from previous version. (Word count: 712)

Change: collaboration policy, including a publication policyGoogle SkyGoogle Sky combines data from different observatories. It can be found here:http://www.google.com/sky/It provides a very user friendly, visually pleasing, andscientifically accurate way to access data from world-classobservatories such as the Hubble Space Telescope, GALEX space-base Ultraviolet   View changes from previous version. (Word count: 384)

Change:  5.1 million objects linked to 71,596 journal articles 2.3 million images, maps and external links 56,405 spectra 18,150 redshift-independent distances for 5,049 galaxies 64,956 object notes 48,661 journal article abstracts Sloan Digital Sky SurveyIn an attempt to add some uniformity, the astronomy community created the Sloan Digital Sky Survey:   View changes from previous version. (Word count: 364)

Change: Created by sofarrar Jul 13 2009, 2:05 PM EDT for: no reason given