The Milky Way contains at least 17 billion planets the size of Earth, and likely many more, according to a study that raises the chances of discovering a sister planet similar to ours.
Source: http://www.cosmosmagazine.com/news/6321/17-billion-earth-sized-planets-milky-way-study
Angela Marcello Angelina Jolie Anna Faris Anna Friel Anna Kournikova Anna Paquin AnnaLynne McCord Anne Marie Kortright
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