NASA's Kepler Mission Finds Smallest Earthlike Planet Outside Solar System
The smallest planet yet spied outside our solar system has been found orbiting a sunlike star about 560 light-years away, astronomers announced today. Known as Kepler-10b, the planet is just 1.4 times Earth's size and 4.6 times its mass.
The planet, found using NASA's Kepler spacecraft, is the first of the more than 500 known exoplanets that's ( Read more... )
The planet, found using NASA's Kepler spacecraft, is the first of the more than 500 known exoplanets that's ( Read more... )
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