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American astronomers in Hawaii and Texas say they have discovered the two smallest planets yet orbiting nearby stars, trumping a small planet discovery by European scientists five days ago and capping a frenzied hunt for other worlds like Earth. All three of these smaller planets belong to a new class of “exoplanets,” scientists said Tuesday.
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Compiled from news services and edited by Patrick Olsen (polsen@tribune.com) and Victoria Rodriguez (vrodriguez@tribune.com)
