The Most Exciting Alien Planets of 2012

The Most Exciting Alien Planets of 2012

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From massive bodies that fell just short of becoming stars to the tiniest solar systems known, 2012 has brought an array of intriguing exoplanets to light. And double-star systems that once seemed unlikely to host planets have produced a wealth of them this year. Here’s a look at some of the most exciting alien planets discovered in 2012: