Study says every star has planets

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Every star twinkling in the night sky plays host to at least one planet, a new study suggests. That implies there are some 10 billion Earth-sized planets in our galaxy. Using a technique called gravitational microlensing, an international team found a handful of exoplanets that imply the existence of billions more. The findings were released at the 219th American Astronomical Society (AAS) meeting, alongside reports of the smallest “exoplanets” ever discovered. Gravitational microlensing is a method that uses the gravity of a far-flung star to amplify the light…

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Adele, Jason Mraz top 2012′s first Billboard chart

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