![Mapping Laniakea, the Milky Way's Cosmic Home [Video]](http://www.scientificamerican.com/sciam/cache/file/190DB0EF-2221-43C4-B430142272BB36B7.jpg)
The Milky Way’s home supercluster of galaxies is far bigger than previously known --
The Milky Way’s home supercluster of galaxies is far bigger than previously known --
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The Milky Way’s home supercluster of galaxies is far bigger than previously known --
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