Scientists Just Found an "Impossible" Black Hole in The Milky Way Galaxy - 1 views
Pan-STARRS - 2 views
Learn Astronomy Astrophotography - 1 views
The group was established primarily for fans of astronomy and astrophotography. It is our desire that through useful articles you will get to know the wide and exciting areas in the sky above us. G...
The Extrasolar Planets Encyclopaedia - 2 views
Eyes on the Solar System - 0 views
Sloan Digital Sky Survey - 0 views
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The Sloan Digital Sky Survey (SDSS) is one of the most ambitious and influential surveys in the history of astronomy. Over eight years of operations (SDSS-I, 2000-2005; SDSS-II, 2005-2008), it obtained deep, multi-color images covering more than a quarter of the sky and created 3-dimensional maps containing more than 930,000 galaxies and more than 120,000 quasars. SDSS data have been released to the scientific community and the general public in annual increments, with the final public data release from SDSS-II scheduled for October 31, 2008. SDSS-III, a program of four new surveys using SDSS facilities, began observations in July 2008, and will continue through 2014.
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