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Newfound Planet Has Just Three Times Earth's Mass
from New Scientist
The goal of finding an Earth-like planet around another star has just come closer. Astronomers announced today they have discovered a planet of about three Earth masses orbiting a star smaller than our sun.
The planet has the closest mass to Earth of all the known extrasolar planets, and is the lightest planet ever found orbiting a normal-size star.
"Our discovery indicates that even the lowest mass stars can host planets," David Bennett of the University of Notre Dame, who led an international team of astronomers to the discovery, said on Monday at the American Astronomical Society meeting in St Louis, Missouri, US.
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