By comparing the Milky Way to similar galaxies, researchers have found that just 4% of the billions of galaxies that populate the cosmos are like the one we call home.
Source: http://www.cosmosmagazine.com/news/4380/how-rare-milky-way
Emma Stone Emma Watson Emmanuelle Chriqui Emmanuelle Vaugier Emmy Rossum Erica Leerhsen Erika Christensen
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