New Exoplanet Could Be Earth’s Cousin

Astronomers have found the first Earth-sized exoplanet within a star’s habitable zone. The planet is the closest thing yet to the coveted ‘Goldilocks’ orb that scientists have long sought — a world roughly the size of Earth orbiting a star at a distance that is just right for liquid water to exist.

Kepler-186f

Named Kepler-186f, the planet orbits a star that is less than half the size of the sun and much cooler. The new world is the outermost of five planets orbiting Kepler-186, a red dwarf star some 500 light-years from Earth.

Kepler-186f position

Learn more here, here, here, here or here.

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