http://online.wsj.com/article/SB10001424052970203436904577154803588270744.html?mod=WSJ_hp_MIDDLETopStories
Astronomers said Wednesday that each of the 100 billion stars in the Milky Way probably has at least one companion planet, adding credence to the notion that planets are as common in the cosmos as grains of sand on the beach.
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