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Science & Technology / ArcaMax

Earth-sized planet found orbiting in a habitable zone

Earth-sized planet found orbiting in a habitable zone

LOS ANGELES -- Sifting through observations from more than 100,000 distant stars, astronomers say they have discovered the first definitive Earth-sized planet that orbits in a habitable zone where water could exist in liquid form -- a necessary condition for life as we know it. Scientists don't know whether the planet has water or a protective atmosphere. They don't ...

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