Feb 11

NASA Finds Earth-Size Planet Candidates In Habitable Zone, Six Planet System

Source: NASA Kepler

Kepler's planet candidates by size.
Image credit: NASA/Wendy Stenzel

NASA's Kepler mission has discovered its first Earth-size planet candidates and its first candidates in the habitable zone, a region where liquid water could exist on a planet's surface. Five of the potential planets are near Earth-size and orbit in the habitable zone of smaller, cooler stars than our sun.(read more)

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