| http://www.w3.org/ns/prov#value | - ce telescope, which was launched in March 2009 to search for Earth-sized planets orbiting other stars.On the basis of the observed dimming of starlight from Kepler- 186, the researchers estimated that this newly discovered planet is close to Earth's size -- just 10 percent larger in diameter -- and goes around its star once every 130 days.Finding Kepler-186f is a first, but it is not a record we wi
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