A Three-Dimensional Map of The Sky (VIDEO)
August 8, 2012 2 Comments
The Sloan Digital Sky Survey (SDSS-III) has released the largest three-dimensional map of massive galaxies and distant black holes ever created. The map pinpoints the locations and distances of over a million galaxies. It covers a total volume equivalent to that of a cube four billion light-years on a side. Read more of this post




























