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Habitable? The exoplanets most like Earth, as discovered by Kepler
The eight exoplanets that are most like Earth, as deduced by NASA's Kepler scientists. They are less than twice Earth's diameter and sit in the habitable zone around their host stars, but all eight of those stars are cooler and smaller than our sun - the search for rocky worlds capable of hosting liquid water orbiting sun-like stars goes on. Credit: NASA
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