ITworld: Take that, Google Earth: this 3D map pinpoints all known galaxies and black holes

August 18, 2012, 7:10 AM – When youre looking for a place on a map, its quite easy to end up studying something else – an interesting landmark, a road or, in my case, finding out where the River Thames ends up inland by scrolling through Google Maps (Answer: it starts its life as a stream in Kemble). But if you simply enjoy getting lost in a map, how about a map of the entire universe?

The Sloan Digital Sky Survey (SDSS-III) made a 3D map, that details every known galaxy and black hole, and pinpoints a variety of notable locations. If you can imagine how many millions of galaxies there are out there, youll understand how the map that “covers a total volume equivalent to that of a cube four billion light-years on a side,” according to its creators…
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