Only four days into the New Year and the first four exoplanets of 2012 have been spotted orbiting four distant stars.
All four alien worlds are known as "hot Jupiters" -- large gas giant planets orbiting very close to their stars. Their orbits are aligned just right with the Earth so that when they pass in front of their parent stars, they slightly dim the starlight from view.
Read More: http://news.discovery.com/space/first-four-exoplanets-of-2012-discovered-120104.html
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