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
Amber Heard Amber Valletta America Ferrera Amerie Amy Cobb Amy Smart Ana Beatriz Barros Ana Hickmann
